Alright, let's work through 7440 times 3173 step by step
7440 × 3173 = 3173 × (7440)
+ 3173 × 0 that is equal 0
+ 3173 × 40 which equals 126920
+ 3173 × 400 that results in 1269200
+ 3173 × 7000 yielding 22211000

= 23607120
