No problem, we've got 81025595 and 42152016 to multiply
81025595 × 42152016 = 42152016 × (81025595)
+ 42152016 × 5 giving us 210760080
+ 42152016 × 90 yielding 3793681440
+ 42152016 × 500 what gives us 21076008000
+ 42152016 × 5000 resulting in 210760080000
+ 42152016 × 20000 resulting in 843040320000
+ 42152016 × 000000 giving us 0
+ 42152016 × 1000000 that results in 42152016000000
+ 42152016 × 80000000 that is equal 3372161280000000

= 3415392176849520
