The students collected tree species. They collected (3/5) kilograms on the first day and (1/6) kilograms more than the second day. How many kilograms of tree species were collected in two days?
同学们采集树种，第一天采集了(3/5)千克，比第二天多采集了(1/6)千克，两天共采集了多少千克的树种？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(3/5) - (1/6)</gadget>
<output>13/30 = around 0.433333</output>

<gadget id="calculator">(13/30) + (3/5)</gadget>
<output>31/30 = around 1.033333</output>

<result>31/30 = around 1.033333</result>