Young Pioneers collect tree species. The first team with 12 people collected a total of (3/5) kilograms, and the second team with 10 people collected a total of (1/2). How many kilograms of tree species does each person collect on average?
少先队员采集树种．第一小队12人，一共采集(3/5)千克，第二小队10人，一共采集(1/2)．平均每人采集树种多少千克？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/5) + (1/2)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">12 + 10</gadget>
<output>22</output>

<gadget id="calculator">(11/10) / 22</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>