A and B take a taxi to the zoo, and negotiate with the driver that the fare is 36 yuan. When the bus travels halfway, one C also wants to go to the zoo, and let him get on the bus. After arriving at the destination, if he pays according to the distance, How much should C pay.
甲、乙两人打车去动物园，和司机谈好车费是36元，车行至一半路程时，有一位丙也要去动物园，便让其上车，到达目的地后，如果按路程付费，丙应该付多少元．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + 1 + (1/2)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(1/2) / (5/2)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">36 * (1/5)</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>