No problem, we've got 4320 and 9813 to multiply
4320 × 9813 = 9813 × (4320)
+ 9813 × 0 that equals 0
+ 9813 × 20 resulting in 196260
+ 9813 × 300 which equals 2943900
+ 9813 × 4000 that is equal 39252000

= 42392160
