Write a JS function to calculate how many boxes will be needed to fit n bottles if each box fits k bottles.
The input comes as two number arguments:

The first element is the number of bottles

The second is the capacity of a single box.
The output should be printed to the console.
Examples:
Input:
20
5
Output:
4
Input:
15
7
Output:
3
Input:
5
10
Output:
1