Alright, let's work through 4422 times 8545 step by step
4422 × 8545 = 8545 × (4422)
+ 8545 × 2 resulting in 17090
+ 8545 × 20 that is equal 170900
+ 8545 × 400 giving us 3418000
+ 8545 × 4000 giving us 34180000

= 37785990
