No problem, we've got 2160 and 8531 to multiply
2160 × 8531 = 8531 × (2160)
+ 8531 × 0 what gives us 0
+ 8531 × 60 giving us 511860
+ 8531 × 100 that equals 853100
+ 8531 × 2000 which equals 17062000

= 18426960
