Kobayashi bought an mp5 and spent 160 yuan at a 20% discount. How much is the original price of this mp5.
小林买一部mp5，在打八折时花了160元．这部mp5原价是多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">160 / (4/5)</gadget>
<output>200</output>

<result>200</result>