A kind of leather shoes costs 370 yuan, which is 111 yuan cheaper when you buy it, which is cheaper ((())/(())).
一种皮鞋370元，购买时便宜了111元，便宜了((())/(()))．
<gadget id="calculator">111 / 370</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>