A bottle of cod liver oil drops is 10ml, now there are 400ml cod liver oil, how many bottles can be filled?
一瓶鱼肝油滴剂为10毫升，现在有鱼肝油400毫升，可以装多少瓶？
<gadget id="calculator">400 / 10</gadget>
<output>40</output>

<result>40</result>