No problem, we've got 41542380 and 18981997 to multiply
41542380 × 18981997 = 18981997 × (41542380)
+ 18981997 × 0 which equals 0
+ 18981997 × 80 that results in 1518559760
+ 18981997 × 300 resulting in 5694599100
+ 18981997 × 2000 that is equal 37963994000
+ 18981997 × 40000 resulting in 759279880000
+ 18981997 × 500000 resulting in 9490998500000
+ 18981997 × 1000000 what gives us 18981997000000
+ 18981997 × 40000000 giving us 759279880000000

= 788557332532860
