Alright, let's work through 4220 times 3526 step by step
4220 × 3526 = 3526 × (4220)
+ 3526 × 0 which equals 0
+ 3526 × 20 resulting in 70520
+ 3526 × 200 that results in 705200
+ 3526 × 4000 that results in 14104000

= 14879720
