No problem, we've got 88601989 and 89620940 to multiply
88601989 × 89620940 = 89620940 × (88601989)
+ 89620940 × 9 that is equal 806588460
+ 89620940 × 80 that equals 7169675200
+ 89620940 × 900 that is equal 80658846000
+ 89620940 × 1000 producing 89620940000
+ 89620940 × 00000 that is equal 0
+ 89620940 × 600000 that results in 53772564000000
+ 89620940 × 8000000 producing 716967520000000
+ 89620940 × 80000000 yielding 7169675200000000

= 7940593540049660
