No problem, we've got 42471508 and 25370402 to multiply
42471508 × 25370402 = 25370402 × (42471508)
+ 25370402 × 8 what gives us 202963216
+ 25370402 × 00 which equals 0
+ 25370402 × 500 which equals 12685201000
+ 25370402 × 1000 giving us 25370402000
+ 25370402 × 70000 which equals 1775928140000
+ 25370402 × 400000 that is equal 10148160800000
+ 25370402 × 2000000 giving us 50740804000000
+ 25370402 × 40000000 giving us 1014816080000000

= 1077519231506216
