A large bottle of medicinal liquid is divided into the same small bottles, and the 8 small bottles are filled (2/5), how many small bottles will be filled in the remaining?
把一大瓶药液分装在同样的小瓶里，8小瓶装完(2/5)，余下的还要装几小瓶？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">8 / (2/5)</gadget>
<output>20</output>

<gadget id="calculator">20 - 8</gadget>
<output>12</output>

<result>12</result>