Elijah drank 8.5 pints of coffee yesterday. Emilio drank 9.5 pints of water yesterday. How many cups of liquid did the two boys drink yesterday?
Total drunk: 8.5 + 9.5 = 
<gadget id="calculator">8.5+9.5</gadget>
<output>18</output>
18 pints
18 pints * 2 = 
<gadget id="calculator">18*2</gadget>
<output>36</output>
36 cups.
The two boys drank a total of 36 cups of liquid yesterday.

<result>36</result>