No problem, we've got 4331 and 6820 to multiply
4331 × 6820 = 6820 × (4331)
+ 6820 × 1 that results in 6820
+ 6820 × 30 that results in 204600
+ 6820 × 300 producing 2046000
+ 6820 × 4000 which equals 27280000

= 29537420
