No problem, we've got 6861 and 7647 to multiply
6861 × 7647 = 7647 × (6861)
+ 7647 × 1 that results in 7647
+ 7647 × 60 that equals 458820
+ 7647 × 800 resulting in 6117600
+ 7647 × 6000 what gives us 45882000

= 52466067
