No problem, we've got 3820 and 7827 to multiply
3820 × 7827 = 7827 × (3820)
+ 7827 × 0 that is equal 0
+ 7827 × 20 that is equal 156540
+ 7827 × 800 what gives us 6261600
+ 7827 × 3000 resulting in 23481000

= 29899140
