A pile of yellow sand is 75 tons. (1/3) of it is transported away for the first time, and the weight ratio of the second transported away to the first transported away is 2:5. How many tons of yellow sand are transported for the second time?
一堆黄沙75吨，第一次运走它的(1/3)，第二次运走的与第一次运走的重量比是2：5，第二次运走黄沙多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">75 * (1/3) * (2/5)</gadget>
<output>10</output>

<result>10</result>