No problem, we've got 2542 and 5915 to multiply
2542 × 5915 = 5915 × (2542)
+ 5915 × 2 that is equal 11830
+ 5915 × 40 what gives us 236600
+ 5915 × 500 what gives us 2957500
+ 5915 × 2000 yielding 11830000

= 15035930
