The water plant plans to lay a pipeline, and 86.3 meters have been laid, which is 12.6 meters more than the one that has not been laid. How long is this pipeline?
水厂计划铺设一条管线，已经铺完86.3米，比没有铺设的多12.6米，这条管线长多少米？
<gadget id="calculator">86.3 - 12.6</gadget>
<output>73.7</output>

<gadget id="calculator">73.7 + 86.3</gadget>
<output>160</output>

<result>160</result>