No problem, we've got 8904 and 7146 to multiply
8904 × 7146 = 7146 × (8904)
+ 7146 × 4 resulting in 28584
+ 7146 × 00 what gives us 0
+ 7146 × 900 that is equal 6431400
+ 7146 × 8000 that results in 57168000

= 63627984
