Two road construction teams work together to repair a section of road. Team A has 5 people repaired (27/5) kilometers, and team B has 4 people repaired (18/5) kilometers.
两个修路队合修一段公路，甲队5人修了(27/5)千米，乙队4人修了(18/5)千米，甲乙两队平均每人修了多少千米．
<gadget id="calculator">27 / 5</gadget>
<output>27/5 = around 5.4</output>

<gadget id="calculator">18 / 5</gadget>
<output>18/5 = around 3.6</output>

<gadget id="calculator">(27/5) + (18/5)</gadget>
<output>9</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">9 / 9</gadget>
<output>1</output>

<result>1</result>