No problem, we've got 5891 and 8722 to multiply
5891 × 8722 = 8722 × (5891)
+ 8722 × 1 what gives us 8722
+ 8722 × 90 that results in 784980
+ 8722 × 800 which equals 6977600
+ 8722 × 5000 that results in 43610000

= 51381302
