A watch sold at 85% of the original price is 68 yuan. What is the original price of this watch?
一块手表按原价的85%卖是68元，这块手表的原价是多少元．
<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>