Alright, let's work through 3907 times 1860 step by step
3907 × 1860 = 1860 × (3907)
+ 1860 × 7 that is equal 13020
+ 1860 × 00 what gives us 0
+ 1860 × 900 resulting in 1674000
+ 1860 × 3000 that is equal 5580000

= 7267020
