No problem, we've got 80922708 and 84050139 to multiply
80922708 × 84050139 = 84050139 × (80922708)
+ 84050139 × 8 yielding 672401112
+ 84050139 × 00 what gives us 0
+ 84050139 × 700 producing 58835097300
+ 84050139 × 2000 giving us 168100278000
+ 84050139 × 20000 that equals 1681002780000
+ 84050139 × 900000 producing 75645125100000
+ 84050139 × 0000000 that equals 0
+ 84050139 × 80000000 that equals 6724011120000000

= 6801564855656412
