Alright, let's work through 8003 times 1240 step by step
8003 × 1240 = 1240 × (8003)
+ 1240 × 3 that results in 3720
+ 1240 × 00 what gives us 0
+ 1240 × 000 which equals 0
+ 1240 × 8000 that results in 9920000

= 9923720
