No problem, we've got 4231 and 9555 to multiply
4231 × 9555 = 9555 × (4231)
+ 9555 × 1 giving us 9555
+ 9555 × 30 giving us 286650
+ 9555 × 200 giving us 1911000
+ 9555 × 4000 yielding 38220000

= 40427205
