Alright, let's work through 6303 times 8771 step by step
6303 × 8771 = 8771 × (6303)
+ 8771 × 3 that is equal 26313
+ 8771 × 00 what gives us 0
+ 8771 × 300 that equals 2631300
+ 8771 × 6000 that equals 52626000

= 55283613
