Alright, let's work through 2403 times 5071 step by step
2403 × 5071 = 5071 × (2403)
+ 5071 × 3 which equals 15213
+ 5071 × 00 which equals 0
+ 5071 × 400 resulting in 2028400
+ 5071 × 2000 what gives us 10142000

= 12185613
