Alright, let's work through 4385 times 4838 step by step
4385 × 4838 = 4838 × (4385)
+ 4838 × 5 that equals 24190
+ 4838 × 80 that results in 387040
+ 4838 × 300 resulting in 1451400
+ 4838 × 4000 resulting in 19352000

= 21214630
