No problem, we've got 8351 and 8644 to multiply
8351 × 8644 = 8644 × (8351)
+ 8644 × 1 what gives us 8644
+ 8644 × 50 resulting in 432200
+ 8644 × 300 that equals 2593200
+ 8644 × 8000 what gives us 69152000

= 72186044
