No problem, we've got 85418919 and 42365746 to multiply
85418919 × 42365746 = 42365746 × (85418919)
+ 42365746 × 9 giving us 381291714
+ 42365746 × 10 that is equal 423657460
+ 42365746 × 900 what gives us 38129171400
+ 42365746 × 8000 giving us 338925968000
+ 42365746 × 10000 which equals 423657460000
+ 42365746 × 400000 that results in 16946298400000
+ 42365746 × 5000000 which equals 211828730000000
+ 42365746 × 80000000 resulting in 3389259680000000

= 3618836225948574
