Baker made 1 cakes. He sold 16 of them and bought 17 new cakes. How many more cakes did baker buy than those he sold?
1. Baker made 1 cake. 
2. He sold 16 of them. 
3. He bought 17 new cakes. 

We want to know how many more cakes did baker buy than those he sold. 

We can solve this problem by subtracting the number of cakes sold from the number of cakes bought: 

17 - 16 = 1 

Baker bought 1 more cake than those he sold.