The school spent 180,000 yuan to repair a teaching building, which was 1/6 less than the plan. How many yuan was saved?
学校修缮一幢教学楼，用了18万元，比计划节约了(1/6)，节约了几万元？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">18 / (5/6)</gadget>
<output>108/5 = around 21.6</output>

<gadget id="calculator">(108/5) - 18</gadget>
<output>18/5 = around 3.6</output>

<result>18/5 = around 3.6</result>