79
1,942 minus 2,013 is -71.
2,013 minus 1,940 is 73.
Someone born in 1932 would be 81 years old in 2013.
91
-854
79
78 - not hard
2013 minus 1958 = 55
2013-1932=81
1932
2013-1932=81
1,993 minus 2,013 is -20.
2,013 minus 1,919 is 94.
2,013 minus 1,929 is 84.
2,013 minus 1,727 is 286.
2,013 minus 30 is 1,983.