A birthday cake is divided into 8 pieces on average. Xiaoming eats one piece, and Xiaomei eats 3 pieces. How much of the cake does Xiaomei and Xiaoming eat? How much more of this cake does Xiaomei eat than Xiao Ming?
一个生日蛋糕被平均分成了8块，小明吃了其中一块，小梅吃了3块，小梅和小明各吃了这块蛋糕的几分之几？小梅比小明多吃这块蛋糕的几分之几？
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

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