A batch of goods weighs 160 tons. After some of them are transported away, the ratio of the transported to the remaining tons is 3:7. How many tons are transported?
一批货物重160吨，运走一部分后，运走的与剩下的吨数的比是3：7，运走了多少吨？
<gadget id="calculator">3 + 7</gadget>
<output>10</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">160 * (3/10)</gadget>
<output>48</output>

<result>48</result>