Hongguang Machinery Factory produced 156 harvesters in March, 6 more than 120% of the original plan. How many were originally planned?
红光机械厂三月份生产收割机156台，比完成原计划的120%还多6台，原计划生产多少台？
<gadget id="calculator">156 - 6</gadget>
<output>150</output>

<gadget id="calculator">120 / 100</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">150 / (6/5)</gadget>
<output>125</output>

<result>125</result>