This program displays the values of the given arithmetic
 expressions and prints their size in bytes.
 For comparison, here are sizes of int, float, double
 4, 4, 8
a) 10.0+15/2+4.3 =21.300000, size=8
b) 10.0+15 mod 2+4.3 =15.300000, size=8
g) 20.0-2/6+3 =23.000000, size=8
i) 10+17 mod 3+4. =16.000000, size=8
j) 10+17/3.+4 =19.666667, size=8