Read a 240-page storybook, read it on the first day (1/5), and read it on the second day (5/8), how many pages have you read in total in two days?
看一本书240页的故事书，第一天看了(1/5)，第二天看的是第一天的(5/8)，两天一共看了多少页？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">240 * (1/5)</gadget>
<output>48</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">240 * (1/5) * (5/8)</gadget>
<output>30</output>

<gadget id="calculator">48 + 30</gadget>
<output>78</output>

<result>78</result>