adding integers
7+7
14
8-5
3
4x4
16
8/4
7x3+3
24
15+13
28
-10-18
-28
16x24
384
18/10
1.8
13+9-12
10
-35+45
10
-27-50
-77
28x15
420
42/35
1.2
24+32-15
41
60+(-45)
25
73-(-56)
129
-74x37
-2738
60/50
1.2
43+5-13
35
1537+(-1028)
509
-2495-1734
-4229
10264x-4532
-46516448
985/200
4.925
562x13-145
7551