No problem, we've got 6455 and 2553 to multiply
6455 × 2553 = 2553 × (6455)
+ 2553 × 5 yielding 12765
+ 2553 × 50 yielding 127650
+ 2553 × 400 yielding 1021200
+ 2553 × 6000 giving us 15318000

= 16479615
