The original price of a pair of table tennis rackets is 85 yuan, and it is sold for 65 yuan during the store celebration. How many ping pong rackets can you buy with the money you paid for 52 ping pong rackets?
一副乒乓球拍原价85元，店庆时卖65元．原来买52副乒乓球拍的钱，现在可以买多少副乒乓球拍？
<gadget id="calculator">52 / 65</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">85 * (4/5)</gadget>
<output>68</output>

<result>68</result>