Divide a cake into 8 pieces on average, Xiaogang ate 3 pieces, how much of this cake did Xiaogang eat
把一个蛋糕平均分成8块，小刚吃了3块，小刚吃了这个蛋糕的多少
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>