No problem, we've got 7925 and 9991 to multiply
7925 × 9991 = 9991 × (7925)
+ 9991 × 5 that equals 49955
+ 9991 × 20 giving us 199820
+ 9991 × 900 giving us 8991900
+ 9991 × 7000 what gives us 69937000

= 79178675
