To build a road, the full length (1/4) was built on the first day, and 20 meters more than the first day was repaired on the second day, leaving 100 meters to be repaired. How many meters were repaired?
修一条公路，第一天修了全长的(1/4)，第二天比第一天多修20米，还剩下100米没有修，问修了多少米？
<gadget id="calculator">100 + 20</gadget>
<output>120</output>

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

<gadget id="calculator">1 - (1/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">120 / (1/2)</gadget>
<output>240</output>

<gadget id="calculator">240 * (1/4)</gadget>
<output>60</output>

<gadget id="calculator">60 + 60 + 20</gadget>
<output>140</output>

<result>140</result>