Josh has 18 yards of ribbon that is to be used equally to 6 gifts. If each gift will use 2 yards of ribbon, how many yards of ribbon will be left?
The 6 gifts will use 6 x 2 = 
<gadget id="calculator">6*2</gadget>
<output>12</output>
12 yards of ribbon.
So, 18 - 12 = 
<gadget id="calculator">18-12</gadget>
<output>6</output>
6 yards of ribbon will be left.

<result>6</result>