Alright, let's work through 5076 times 402 step by step
5076 × 402 = 402 × (5076)
+ 402 × 6 which equals 2412
+ 402 × 70 what gives us 28140
+ 402 × 000 that is equal 0
+ 402 × 5000 that results in 2010000

= 2040552
