No problem, we've got 87483871 and 97021496 to multiply
87483871 × 97021496 = 97021496 × (87483871)
+ 97021496 × 1 yielding 97021496
+ 97021496 × 70 that is equal 6791504720
+ 97021496 × 800 producing 77617196800
+ 97021496 × 3000 what gives us 291064488000
+ 97021496 × 80000 which equals 7761719680000
+ 97021496 × 400000 what gives us 38808598400000
+ 97021496 × 7000000 which equals 679150472000000
+ 97021496 × 80000000 which equals 7761719680000000

= 8487816040291016
