No problem, we've got 1558 and 7688 to multiply
1558 × 7688 = 7688 × (1558)
+ 7688 × 8 giving us 61504
+ 7688 × 50 resulting in 384400
+ 7688 × 500 giving us 3844000
+ 7688 × 1000 what gives us 7688000

= 11977904
