No problem, we've got 5187 and 5392 to multiply
5187 × 5392 = 5392 × (5187)
+ 5392 × 7 producing 37744
+ 5392 × 80 producing 431360
+ 5392 × 100 giving us 539200
+ 5392 × 5000 yielding 26960000

= 27968304
