Alright, let's work through 4729 times 5072 step by step
4729 × 5072 = 5072 × (4729)
+ 5072 × 9 what gives us 45648
+ 5072 × 20 that is equal 101440
+ 5072 × 700 what gives us 3550400
+ 5072 × 4000 resulting in 20288000

= 23985488
