The price of a basketball is 120 yuan, which is 80% of the price of a volleyball, and the price of a football is 87.5% of the price of a volleyball. How much is a football?
一个篮球的价格是120元，是一个排球价格的80%，一个足球的价格是一个排球价格的87.5%，一个足球要多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">120 / (4/5)</gadget>
<output>150</output>

<gadget id="calculator">87.5 / 100</gadget>
<output>0.875</output>

<gadget id="calculator">150 * 0.875</gadget>
<output>131.25</output>

<result>131.25</result>