Xiaohong reads a 200-page story book. The ratio of the number of pages she has read to the number of pages she has not read is 3:2. How many pages have she read?
小红看一本200页的故事书已看页数和未看页数的比是3：2，已经看了多少页．
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">200 * (3/5)</gadget>
<output>120</output>

<result>120</result>