Mingming’s family bought a new house and spent 340,000 yuan, which was 15% less than planned, and how many yuan was saved.
明明家买新房，用了34万元，比计划少用了15%，节约了多少万元．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">34 / (17/20)</gadget>
<output>40</output>

<gadget id="calculator">40 - 34</gadget>
<output>6</output>

<result>6</result>