There is a batch of goods, (3/7) of this batch of goods was transported on the first day, exactly 27 tons, and (1/3) of this batch of goods was transported on the second day, how many tons were transported the next day?
有一批货物，第一天运走这批货物的(3/7)，正好是27吨，第二天运走这批货物的(1/3)，第二天运走多少吨？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">27 / (3/7)</gadget>
<output>63</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">63 * (1/3)</gadget>
<output>21</output>

<result>21</result>