Xiao Ming reads a book. He reads (1/5) of the whole book on the first day, (3/2) of the first day on the second day, and how much of the whole book on the second day.
小明看一本书，第一天看了全书的(1/5)，第二天看了第一天的(3/2)，第二天看了全书的多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(1/5) * (3/2)</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>