Qianyuan Primary School built a new teaching building with an actual investment of 1.2 million yuan, which was 50,000 yuan less than the original plan. What percentage did you save?
前元小学新建一幢教学楼，实际投资120万元，比原计划节省了5万元．节省了百分之几？
<gadget id="calculator">120 + 5</gadget>
<output>125</output>

<gadget id="calculator">5 / 125</gadget>
<output>1/25 = around 0.04</output>

<result>1/25 = around 0.04</result>