decimals
multiplication
100

4.82+6.50

11.32

100

5x63

315

200

12.59+13.72

26.31

200

9x22

198

300

11.45x2.75

31.4875

300

72x56

4032

400

65.2-5.7

59.5

400

54x27

1458

500

70.5+36.9

107.4