Divide a watermelon into 8 pieces on average, and my sister ate 2 pieces, how much of the watermelon my sister ate.
把一个西瓜平均分成8块，姐吃了2块，姐姐吃了这个西瓜的多少．
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>