No problem, we've got 4936 and 2521 to multiply
4936 × 2521 = 2521 × (4936)
+ 2521 × 6 that results in 15126
+ 2521 × 30 that results in 75630
+ 2521 × 900 what gives us 2268900
+ 2521 × 4000 that results in 10084000

= 12443656
