bottle of beverage is 1.2 liters, how much of it is drunk (fill in the percentage), and there are (3/5) liters left.
一瓶饮料1.2升，喝去它的多少(填百分数)，还剩(3/5)升．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1.2 - (3/5)</gadget>
<output>0.6</output>

<gadget id="calculator">0.6 / 1.2</gadget>
<output>0.5</output>

<result>0.5</result>