There is a house with two bedrooms and one living room on Huancheng Road, the area is 78 square meters, and the selling price is 2780 yuan/square meter. How much does it cost to buy this house?
环城路有二室一厅房屋一套，面积是78平方米，售价是2780元/平方米．买这套住房需要多少钱？
<gadget id="calculator">2_780 * 78</gadget>
<output>216_840</output>

<result>216_840</result>