Alright, let's work through 5210 times 3156 step by step
5210 × 3156 = 3156 × (5210)
+ 3156 × 0 that results in 0
+ 3156 × 10 what gives us 31560
+ 3156 × 200 giving us 631200
+ 3156 × 5000 resulting in 15780000

= 16442760
