How many bottles of 250 ml of water are needed to fill a 2 liter container with water.
将一个2升的容器倒满水，至少需要多少瓶250毫升的水．
<gadget id="calculator">250 / 1_000</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / (1/4)</gadget>
<output>8</output>

<result>8</result>