No problem, we've got 9175 and 8900 to multiply
9175 × 8900 = 8900 × (9175)
+ 8900 × 5 what gives us 44500
+ 8900 × 70 that is equal 623000
+ 8900 × 100 giving us 890000
+ 8900 × 9000 resulting in 80100000

= 81657500
