1 + 2 = 3 integer
1 . 2 = 12string
1 + 2.0 word = 3 double
1 . 2.0 word = 2 double
1.0 word + 2 = 3 double
1.0 word . 2 = 2 double
1.0 word + 2 = 3 double
1.0 word . 2 = 2 double
a. I believe that a int plus a double results a double because double is priority than integer