No problem, we've got 1553 and 7709 to multiply
1553 × 7709 = 7709 × (1553)
+ 7709 × 3 that results in 23127
+ 7709 × 50 resulting in 385450
+ 7709 × 500 what gives us 3854500
+ 7709 × 1000 yielding 7709000

= 11972077
