Madeline wants to drink 100 ounces of water in a day. Her water bottle can hold 12 ounces of water. She refills her water bottle 7 times. How much more water does she need to drink?
She has already had 12*7 =
<gadget id="calculator">12*7</gadget>
<output>84</output>
84 ounces of water.
She needs to drink 100-84 = 
<gadget id="calculator">100-84</gadget>
<output>16</output>
16 more ounces to make it to 100 ounces.

<result>16</result>