A new batch of mountain bikes has been added to the bicycle store, 60% of which have been sold, and there are still 24 bikes left. How many bikes are there in this batch?
自行车商店新进了一批山地车，已经卖出60%，还剩下24辆，这批山地车有多少辆？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">24 / (2/5)</gadget>
<output>60</output>

<result>60</result>