No problem, we've got 79634578 and 84347813 to multiply
79634578 × 84347813 = 84347813 × (79634578)
+ 84347813 × 8 yielding 674782504
+ 84347813 × 70 that equals 5904346910
+ 84347813 × 500 that is equal 42173906500
+ 84347813 × 4000 which equals 337391252000
+ 84347813 × 30000 producing 2530434390000
+ 84347813 × 600000 that is equal 50608687800000
+ 84347813 × 9000000 resulting in 759130317000000
+ 84347813 × 70000000 that equals 5904346910000000

= 6717002493477914
