Alright, let's work through 7149 times 240 step by step
7149 × 240 = 240 × (7149)
+ 240 × 9 which equals 2160
+ 240 × 40 which equals 9600
+ 240 × 100 that equals 24000
+ 240 × 7000 producing 1680000

= 1715760
