The price of a shirt is 120 yuan, the price of a pair of leather shoes is that of the shirt (7/5), the price of this pair of leather shoes is 80% of the price of a leather bag, how much is this leather bag?
一件衬衣售价120元，一双皮鞋的价钱是衬衣的(7/5)，这双皮鞋的价钱是一个皮包的80%，这个皮包多少钱？
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(7/5) / (4/5)</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">120 * (7/4)</gadget>
<output>210</output>

<result>210</result>