No problem, we've got 9425 and 420 to multiply
9425 × 420 = 420 × (9425)
+ 420 × 5 that results in 2100
+ 420 × 20 that is equal 8400
+ 420 × 400 that equals 168000
+ 420 × 9000 that results in 3780000

= 3958500
