Alright, let's work through 4678473 times 25994731 step by step
4678473 × 25994731 = 25994731 × (4678473)
+ 25994731 × 3 that is equal 77984193
+ 25994731 × 70 yielding 1819631170
+ 25994731 × 400 resulting in 10397892400
+ 25994731 × 8000 that results in 207957848000
+ 25994731 × 70000 producing 1819631170000
+ 25994731 × 600000 that results in 15596838600000
+ 25994731 × 4000000 which equals 103978924000000

= 121615647125763
