No problem, we've got 4305 and 8645 to multiply
4305 × 8645 = 8645 × (4305)
+ 8645 × 5 that equals 43225
+ 8645 × 00 what gives us 0
+ 8645 × 300 that results in 2593500
+ 8645 × 4000 giving us 34580000

= 37216725
