He then went to see the oranges being harvested. He found out that they harvest 7 sacks per day. How many oranges do they harvest per day if each sack contains 36 oranges?
1. He went to see the oranges being harvested. 
2. He found out that they harvest 7 sacks per day. 
3. How many oranges do they harvest per day if each sack contains 36 oranges?

We are trying to find out how many oranges are being harvested per day. We are given information that there are 7 sacks being harvested per day, and each sack contains 36 oranges. 

To solve this, we need to multiply 7 sacks by 36 oranges. 

7 sacks x 36 oranges = 252 oranges