No problem, we've got 40831422 and 97908076 to multiply
40831422 × 97908076 = 97908076 × (40831422)
+ 97908076 × 2 producing 195816152
+ 97908076 × 20 which equals 1958161520
+ 97908076 × 400 which equals 39163230400
+ 97908076 × 1000 producing 97908076000
+ 97908076 × 30000 that results in 2937242280000
+ 97908076 × 800000 producing 78326460800000
+ 97908076 × 0000000 which equals 0
+ 97908076 × 40000000 what gives us 3916323040000000

= 3997725968364072
