No problem, we've got 4528 and 4532 to multiply
4528 × 4532 = 4532 × (4528)
+ 4532 × 8 producing 36256
+ 4532 × 20 which equals 90640
+ 4532 × 500 that is equal 2266000
+ 4532 × 4000 resulting in 18128000

= 20520896
