The engineering team wanted to set up a 4,500-meter-long telephone line, which was planned to be completed in 36 days. In fact, 25 meters more than planned every day, how many days will it actually take to complete the erection?
工程队要架一条长4500米的电话线，计划36天完成．实际每天比计划多架25米，实际用多少天架完？
<gadget id="calculator">4_500 / 36</gadget>
<output>125</output>

<gadget id="calculator">125 + 25</gadget>
<output>150</output>

<gadget id="calculator">4_500 / 150</gadget>
<output>30</output>

<result>30</result>