640*4 = 2560
2,560 multiplied by 0.12 is 307.2
120 multiplied by 60 multiplied by 100 is 720,000
120 multiplied by 120 is 14,400.
1,000 multiplied by 120 is 120,000.
125 x 120 = 15,000
160 multiplied by 120 is 19,200.
120 multiplied by 30 is 3,600.
510
360
120
120