A road construction team built a 1200-meter-long road, which exceeded the original plan (1/4). How many meters was the original plan? (Solution of column equation)
某修路队修了一条1200米长的路，超过了原计划的(1/4)，原计划修路多少米？(列方程解)
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1_200 / (5/4)</gadget>
<output>960</output>

<result>960</result>