Mingming’s family bought a 141-square-meter house at 5,000 yuan per square meter, and they can enjoy a 30% discount for one-time payment. How much does Mingming’s family need?
明明家买了一套141平方米的住房，每平方米5000元，一次性付款可享受九七折，明明家需要多少元钱？
<gadget id="calculator">97 / 100</gadget>
<output>97/100 = around 0.97</output>

<gadget id="calculator">5_000 * 141 * (97/100)</gadget>
<output>683_850</output>

<result>683_850</result>