No problem, we've got 81701378 and 12735279 to multiply
81701378 × 12735279 = 12735279 × (81701378)
+ 12735279 × 8 that is equal 101882232
+ 12735279 × 70 resulting in 891469530
+ 12735279 × 300 that results in 3820583700
+ 12735279 × 1000 what gives us 12735279000
+ 12735279 × 00000 producing 0
+ 12735279 × 700000 producing 8914695300000
+ 12735279 × 1000000 producing 12735279000000
+ 12735279 × 80000000 resulting in 1018822320000000

= 1040489843514462
