No problem, we've got 4139 and 9357 to multiply
4139 × 9357 = 9357 × (4139)
+ 9357 × 9 which equals 84213
+ 9357 × 30 that is equal 280710
+ 9357 × 100 what gives us 935700
+ 9357 × 4000 which equals 37428000

= 38728623
