The school built a teaching building with an actual investment of 1.86 million yuan, which was 140,000 yuan less than the planned investment. What percentage was the savings?
学校修建一座教学楼，实际投资186万元，比计划投资节省了14万元，则节约了百分之几？
<gadget id="calculator">186 + 14</gadget>
<output>200</output>

<gadget id="calculator">14 / 200</gadget>
<output>7/100 = around 0.07</output>

<result>7/100 = around 0.07</result>