No problem, we've got 2499 and 4115 to multiply
2499 × 4115 = 4115 × (2499)
+ 4115 × 9 resulting in 37035
+ 4115 × 90 that is equal 370350
+ 4115 × 400 resulting in 1646000
+ 4115 × 2000 yielding 8230000

= 10283385
