No problem, we've got 9872 and 5221 to multiply
9872 × 5221 = 5221 × (9872)
+ 5221 × 2 that equals 10442
+ 5221 × 70 what gives us 365470
+ 5221 × 800 that results in 4176800
+ 5221 × 9000 resulting in 46989000

= 51541712
