No problem, we've got 4791 and 2378 to multiply
4791 × 2378 = 2378 × (4791)
+ 2378 × 1 that is equal 2378
+ 2378 × 90 giving us 214020
+ 2378 × 700 producing 1664600
+ 2378 × 4000 yielding 9512000

= 11392998
