No problem, we've got 5111 and 5456 to multiply
5111 × 5456 = 5456 × (5111)
+ 5456 × 1 that results in 5456
+ 5456 × 10 giving us 54560
+ 5456 × 100 which equals 545600
+ 5456 × 5000 what gives us 27280000

= 27885616
