Matthew drinks 4 glasses of water per day. Each glass is 5 ounces. He decides to just buy a 35 ounces water bottle. How many times will he fill it each week?
He drinks 20 ounces of water a day because 4 x 5 = 
<gadget id="calculator">4*5</gadget>
<output>20</output>
20.
The drinks 140 ounces in a week because 7 x 20 = 
<gadget id="calculator">7*20</gadget>
<output>140</output>
140.
He will fill it up 4 times because 140 / 35 = 
<gadget id="calculator">140/35</gadget>
<output>4</output>
4.

<result>4</result>