To pack 5 liters of beverage in a small bottle with a capacity of (1/5) liter, at least several small bottles are needed. How many
要把5升的饮料装在容量是(1/5)升的小瓶内，至少需要几个小瓶．多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">5 / (1/5)</gadget>
<output>25</output>

<result>25</result>