No problem, we've got 80698086 and 21034237 to multiply
80698086 × 21034237 = 21034237 × (80698086)
+ 21034237 × 6 giving us 126205422
+ 21034237 × 80 that results in 1682738960
+ 21034237 × 000 yielding 0
+ 21034237 × 8000 that results in 168273896000
+ 21034237 × 90000 that equals 1893081330000
+ 21034237 × 600000 yielding 12620542200000
+ 21034237 × 0000000 giving us 0
+ 21034237 × 80000000 producing 1682738960000000

= 1697422666370382
