No problem, we've got 79678542 and 97667485 to multiply
79678542 × 97667485 = 97667485 × (79678542)
+ 97667485 × 2 what gives us 195334970
+ 97667485 × 40 what gives us 3906699400
+ 97667485 × 500 that is equal 48833742500
+ 97667485 × 8000 producing 781339880000
+ 97667485 × 70000 what gives us 6836723950000
+ 97667485 × 600000 producing 58600491000000
+ 97667485 × 9000000 that equals 879007365000000
+ 97667485 × 70000000 that results in 6836723950000000

= 7782002805606870
