No problem, we've got 1235 and 9921 to multiply
1235 × 9921 = 9921 × (1235)
+ 9921 × 5 yielding 49605
+ 9921 × 30 yielding 297630
+ 9921 × 200 resulting in 1984200
+ 9921 × 1000 that is equal 9921000

= 12252435
