You are given a math word problem and you are supposed to only use multiplication or division operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Context: He then went to see the oranges being harvested. He found out that they harvest 28 sacks of ripe oranges and 52 sacks of unripe oranges per day. 

 Question: How many sacks of oranges will they have after 26 days of harvest?
2080

Context: They decided to hold the party in their backyard. If they have 11 sets of tables and each set has 13 chairs 

 Question: How many chairs do they have in the backyard?
143

Context: An industrial machine worked for 5 minutes. It can make 4 shirts a minute. 

 Question: How many shirts did machine make?

20