multiplication
basic
addion
100

1x1

1

100

1+500

501

100

1+1

2

200

50x7

350

200

20-15

5

200

50,000+500

50,500

300

0x5

0

300

50-49

1

300

300+598

898

400

5x7

35

400

7000-7000

0

400

999+555

1,554

500

500x3

1,500

500

190-50

140

500

0+4,000,000

4,00,000