No problem, we've got 83916988 and 84638276 to multiply
83916988 × 84638276 = 84638276 × (83916988)
+ 84638276 × 8 yielding 677106208
+ 84638276 × 80 giving us 6771062080
+ 84638276 × 900 which equals 76174448400
+ 84638276 × 6000 that is equal 507829656000
+ 84638276 × 10000 producing 846382760000
+ 84638276 × 900000 that equals 76174448400000
+ 84638276 × 3000000 giving us 253914828000000
+ 84638276 × 80000000 what gives us 6771062080000000

= 7102589191432688
