Two teams, A and B, are building a road. Team A has built 16 kilometers, accounting for 1/3 of the length of the road. Team B has repaired 1/4 of the length of the road. How many kilometers has Team B built?
甲乙两队修一条公路，甲队修了16千米，占公路长的(1/3)，乙队修的长度占公路长的(1/4)，乙队修了多少千米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">16 / (1/3)</gadget>
<output>48</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">48 * (1/4)</gadget>
<output>12</output>

<result>12</result>