No problem, we've got 2231 and 4350 to multiply
2231 × 4350 = 4350 × (2231)
+ 4350 × 1 yielding 4350
+ 4350 × 30 that is equal 130500
+ 4350 × 200 what gives us 870000
+ 4350 × 2000 yielding 8700000

= 9704850
