No problem, we've got 8431 and 1242 to multiply
8431 × 1242 = 1242 × (8431)
+ 1242 × 1 what gives us 1242
+ 1242 × 30 that is equal 37260
+ 1242 × 400 that equals 496800
+ 1242 × 8000 producing 9936000

= 10471302
