Alright, let's work through 1859 times 3720 step by step
1859 × 3720 = 3720 × (1859)
+ 3720 × 9 that is equal 33480
+ 3720 × 50 giving us 186000
+ 3720 × 800 that is equal 2976000
+ 3720 × 1000 what gives us 3720000

= 6915480
