No problem, we've got 9421 and 8723 to multiply
9421 × 8723 = 8723 × (9421)
+ 8723 × 1 what gives us 8723
+ 8723 × 20 what gives us 174460
+ 8723 × 400 that is equal 3489200
+ 8723 × 9000 yielding 78507000

= 82179383
