Mingming bought a calculator in a store with a 15% discount and spent 68 yuan. How much is the original price of this calculator?
明明在商店里买了一个计算器，打八五折，花了68元，这个计算器原价多少元？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">68 / (17/20)</gadget>
<output>80</output>

<result>80</result>