The cafeteria has (5/4)t of rice, (2/5) is used in the first week, and (3/4) of the first week is used in the second week. How many tons of rice are used in the second week?
食堂有大米(5/4)t，第一周用去它的(2/5)，第二周用去的是第一周的(3/4)，第二周用去多少吨大米？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">(5/4) * (2/5) * (3/4)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>