Alright, let's work through 5211 times 4810 step by step
5211 × 4810 = 4810 × (5211)
+ 4810 × 1 giving us 4810
+ 4810 × 10 which equals 48100
+ 4810 × 200 that is equal 962000
+ 4810 × 5000 giving us 24050000

= 25064910
