The road construction team built a road with a length of 9100 meters, and the full length (7/13) has been repaired. How many meters are left to be repaired?
修路队修一条长9100米的路，已经修了全长的(7/13)，还剩多少米没修完？
<gadget id="calculator">7 / 13</gadget>
<output>7/13 = around 0.538462</output>

<gadget id="calculator">1 - (7/13)</gadget>
<output>6/13 = around 0.461538</output>

<gadget id="calculator">9_100 * (6/13)</gadget>
<output>4_200</output>

<result>4_200</result>