Take a look at this:

Code:
root@bt:~# apt-get install kcalc
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  gstreamer0.10-plugins-base gstreamer0.10-plugins-good gstreamer0.10-x gvfs
  gvfs-backends kde-icons-oxygen kdebase-runtime kdebase-runtime-bin-kde4
  kdebase-runtime-data kdebase-runtime-data-common kdelibs-bin kdelibs5
  kdelibs5-data libarchive1 libcdio-cdda0 libcdio-paranoia0 libclucene0ldbl
  libgvfscommon0 libphonon4 libqt4-opengl libqt4-svg libraptor1 librasqal0
  librdf0 libsoprano4 libsoup2.4-1 libstreamanalyzer0 libstreams0
  libstrigiqtdbusclient0 libv4l-0 libvisual-0.4-0 libvisual-0.4-plugins
  obex-data-server phonon phonon-backend-gstreamer raptor-utils redland-utils
  soprano-daemon
Suggested packages:
  kdebase phonon-backend-xine phonon-backend-vlc phonon-backend-mplayer
Recommended packages:
  khelpcenter4
The following NEW packages will be installed:
  gstreamer0.10-plugins-base gstreamer0.10-plugins-good gstreamer0.10-x gvfs
  gvfs-backends kcalc kde-icons-oxygen kdebase-runtime
  kdebase-runtime-bin-kde4 kdelibs-bin kdelibs5 kdelibs5-data libarchive1
  libcdio-cdda0 libcdio-paranoia0 libclucene0ldbl libgvfscommon0 libphonon4
  libqt4-opengl libqt4-svg libraptor1 librasqal0 librdf0 libsoprano4
  libsoup2.4-1 libstreamanalyzer0 libstreams0 libstrigiqtdbusclient0 libv4l-0
  libvisual-0.4-0 libvisual-0.4-plugins obex-data-server phonon
  phonon-backend-gstreamer raptor-utils redland-utils soprano-daemon
The following packages will be upgraded:
  kdebase-runtime-data kdebase-runtime-data-common
2 upgraded, 37 newly installed, 0 to remove and 137 not upgraded.
Need to get 37.9MB of archives.
After this operation, 101MB of additional disk space will be used.
Do you want to continue [Y/n]?
I was expecting to download a megabyte tops.

What's up with it?!