No problem, we've got 18079693 and 45168143 to multiply
18079693 × 45168143 = 45168143 × (18079693)
+ 45168143 × 3 that results in 135504429
+ 45168143 × 90 that equals 4065132870
+ 45168143 × 600 which equals 27100885800
+ 45168143 × 9000 that is equal 406513287000
+ 45168143 × 70000 that results in 3161770010000
+ 45168143 × 000000 that is equal 0
+ 45168143 × 8000000 that equals 361345144000000
+ 45168143 × 10000000 which equals 451681430000000

= 816626158820099
