pile of yellow sand is 30 tons. Vehicle A can transport (1/6) of it each time, and vehicle B can transport (1/5) of it each time. How much of it can the two vehicles transport each time?
一堆黄沙30吨，甲车每次能运它的(1/6)，乙车每次能运它的(1/5)，两车每次能运它的几分之几？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/6) + (1/5)</gadget>
<output>11/30 = around 0.366667</output>

<result>11/30 = around 0.366667</result>