Alright, let's work through 1003 times 2480 step by step
1003 × 2480 = 2480 × (1003)
+ 2480 × 3 that equals 7440
+ 2480 × 00 what gives us 0
+ 2480 × 000 what gives us 0
+ 2480 × 1000 that results in 2480000

= 2487440
