Donald went to a computer store. He saw a 15% reduction in the price of the laptop he wants to buy. If the laptop originally costs $800, how much will he pay for the laptop?
There was $800 x 15/100 = $
<gadget id="calculator">800*15/100</gadget>
<output>120</output>
120.
Thus, Donald will pay $800 - $120 = $
<gadget id="calculator">800-120</gadget>
<output>680</output>
680.

<result>680</result>