No problem, we've got 42469870 and 66421956 to multiply
42469870 × 66421956 = 66421956 × (42469870)
+ 66421956 × 0 that is equal 0
+ 66421956 × 70 what gives us 4649536920
+ 66421956 × 800 which equals 53137564800
+ 66421956 × 9000 that is equal 597797604000
+ 66421956 × 60000 yielding 3985317360000
+ 66421956 × 400000 that equals 26568782400000
+ 66421956 × 2000000 what gives us 132843912000000
+ 66421956 × 40000000 producing 2656878240000000

= 2820931836465720
