Divide a big round cake into 10 parts on average, and eat 7 parts, what fraction of the cake is eaten?
把一块大圆饼平均分成10份，吃了7份，吃了这块饼的几分之几？
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>