We're going to solve 7721 multiplied by 9378
7721 × 9378 = 9378 × (7721)
+ 9378 × 1 yielding 9378
+ 9378 × 20 what gives us 187560
+ 9378 × 700 that results in 6564600
+ 9378 × 7000 what gives us 65646000

= 72407538
