We're going to solve 7840 multiplied by 4604
7840 × 4604 = 4604 × (7840)
+ 4604 × 0 that is equal 0
+ 4604 × 40 what gives us 184160
+ 4604 × 800 resulting in 3683200
+ 4604 × 7000 that equals 32228000

= 36095360
