There are 10 kilograms of fruit, and 3 kilograms are taken away, what fraction of the rest is taken away?
有10千克水果，拿走了3千克，拿走的是剩下的几分之几？
<gadget id="calculator">10 - 3</gadget>
<output>7</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<result>3/7 = around 0.428571</result>