Alright, let's work through 7740 times 5215 step by step
7740 × 5215 = 5215 × (7740)
+ 5215 × 0 which equals 0
+ 5215 × 40 which equals 208600
+ 5215 × 700 that equals 3650500
+ 5215 × 7000 that results in 36505000

= 40364100
