The coal tonnage ratio of the school canteen in the first two months of 2010 is 3:5. If coal is used in January (3/4) tons, how many tons of coal is used in February?
学校食堂2010年前两个月用煤吨数比是3：5，如果一月份用煤(3/4)吨，二月份用煤多少吨？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) / 3</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 5</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>