To build a highway, 12 kilometers were repaired in the first quarter, and 35 kilometers were repaired in the second quarter. In the second quarter, more repairs were made than in the first quarter by the full length of the highway (1/45). How long is this expressway in kilometers?
修一条高速公路，第一季度修了12千米，第二季度修了35千米，第二季度比第一季度多修的是这条公路全长的(1/45)．这条高速公路全长多少千米？
<gadget id="calculator">35 - 12</gadget>
<output>23</output>

<gadget id="calculator">1 / 45</gadget>
<output>1/45 = around 0.022222</output>

<gadget id="calculator">23 / (1/45)</gadget>
<output>1_035</output>

<result>1_035</result>