No problem, we've got 81778836 and 42167803 to multiply
81778836 × 42167803 = 42167803 × (81778836)
+ 42167803 × 6 that is equal 253006818
+ 42167803 × 30 which equals 1265034090
+ 42167803 × 800 resulting in 33734242400
+ 42167803 × 8000 that equals 337342424000
+ 42167803 × 70000 yielding 2951746210000
+ 42167803 × 700000 which equals 29517462100000
+ 42167803 × 1000000 which equals 42167803000000
+ 42167803 × 80000000 that is equal 3373424240000000

= 3448433846017308
