No problem, we've got 5451 and 1056 to multiply
5451 × 1056 = 1056 × (5451)
+ 1056 × 1 what gives us 1056
+ 1056 × 50 that is equal 52800
+ 1056 × 400 what gives us 422400
+ 1056 × 5000 which equals 5280000

= 5756256
