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 =<<12*7=84>>84 ounces of water.
She needs to drink 100-84 = <<100-84=16>>16 more ounces to make it to 100 ounces.
#### 16