Alright, let's work through 3720 times 8015 step by step
3720 × 8015 = 8015 × (3720)
+ 8015 × 0 that equals 0
+ 8015 × 20 that equals 160300
+ 8015 × 700 what gives us 5610500
+ 8015 × 3000 that equals 24045000

= 29815800
