To build a 15-kilometer road, 7 kilometers have been built, what fraction of the total length has been repaired?
修一条15千米的路，已经修了7千米，已修的是全长的几分之几？
<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>

<result>7/15 = around 0.466667</result>