No problem, we've got 42963890 and 4007392 to multiply
42963890 × 4007392 = 4007392 × (42963890)
+ 4007392 × 0 giving us 0
+ 4007392 × 90 resulting in 360665280
+ 4007392 × 800 which equals 3205913600
+ 4007392 × 3000 that results in 12022176000
+ 4007392 × 60000 producing 240443520000
+ 4007392 × 900000 that is equal 3606652800000
+ 4007392 × 2000000 giving us 8014784000000
+ 4007392 × 40000000 what gives us 160295680000000

= 172173149074880
