Alright, let's work through 3423440 times 86726737 step by step
3423440 × 86726737 = 86726737 × (3423440)
+ 86726737 × 0 that equals 0
+ 86726737 × 40 resulting in 3469069480
+ 86726737 × 400 giving us 34690694800
+ 86726737 × 3000 that is equal 260180211000
+ 86726737 × 20000 giving us 1734534740000
+ 86726737 × 400000 what gives us 34690694800000
+ 86726737 × 3000000 giving us 260180211000000

= 296903780515280
