No problem, we've got 5253 and 5020 to multiply
5253 × 5020 = 5020 × (5253)
+ 5020 × 3 what gives us 15060
+ 5020 × 50 what gives us 251000
+ 5020 × 200 resulting in 1004000
+ 5020 × 5000 which equals 25100000

= 26370060
