No problem, we've got 8139 and 9492 to multiply
8139 × 9492 = 9492 × (8139)
+ 9492 × 9 that equals 85428
+ 9492 × 30 what gives us 284760
+ 9492 × 100 what gives us 949200
+ 9492 × 8000 that is equal 75936000

= 77255388
