The time it takes for a factory to inspect a bottle is (1/25) second, how many bottles can be inspected in half a minute?
工厂检测一个瓶子所用时间为(1/25)秒，半分钟可以检测多少个瓶子？
<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">30 / (1/25)</gadget>
<output>750</output>

<result>750</result>