Alright, let's work through 5102 times 322 step by step
5102 × 322 = 322 × (5102)
+ 322 × 2 which equals 644
+ 322 × 00 what gives us 0
+ 322 × 100 which equals 32200
+ 322 × 5000 resulting in 1610000

= 1642844
