No problem, we've got 4369 and 9180 to multiply
4369 × 9180 = 9180 × (4369)
+ 9180 × 9 giving us 82620
+ 9180 × 60 what gives us 550800
+ 9180 × 300 what gives us 2754000
+ 9180 × 4000 which equals 36720000

= 40107420
