5x7 = 35
1949 + 1527 = 3476
40/5 = 8
985 + 2985 = 3970
21/3 = 7
34 + 3090 = 3124
9x3 = 27
4321 + 1999 = 6320
7/7 = 1
0/9 = 0
500 + 4500 = 5000
32/8 = 4
9x6 = 54
54/9 = 6
100 - 3 = 97
1000 - 95 = 905
4900 - 1540 = 3360
6100 - 3294 = 2806
10000 - 6987 = 3013