Dongdong ate strawberries, he ate (2/7) of the total on the first day, 3/4 of the first day on the second day, and how much of the total on the second day.
东东吃草莓，第一天吃了总数的(2/7)，第二天吃了第一天的(3/4)，第二天吃了总数的多少．
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(2/7) * (3/4)</gadget>
<output>3/14 = around 0.214286</output>

<result>3/14 = around 0.214286</result>