Uncle sanitation workers clean up construction waste in the community. There are 8 people in the first group, and they clean up (9/5) tons in total. The second group has 10 people, and they clean up (13/5) tons in total. How many tons of trash do people clean up?
环卫工叔叔在小区里清理建筑垃圾，第一组有8人，共清理(9/5)吨，第二组有10人，共清理(13/5)吨，这两组环卫工叔叔平均每人清理多少吨垃圾？
<gadget id="calculator">9 / 5</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">13 / 5</gadget>
<output>13/5 = around 2.6</output>

<gadget id="calculator">(9/5) + (13/5)</gadget>
<output>22/5 = around 4.4</output>

<gadget id="calculator">8 + 10</gadget>
<output>18</output>

<gadget id="calculator">(22/5) / 18</gadget>
<output>11/45 = around 0.244444</output>

<result>11/45 = around 0.244444</result>