Xiaofen’s living room is paved with 80 square bricks with a side length of 50 cm. What is the area of Xiaofen’s living room in square meters?
小芬家的客厅里铺了80块边长为50厘米的方砖，小芬家客厅的面积是多少平方米？
<gadget id="calculator">80 / 10_000</gadget>
<output>1/125 = around 0.008</output>

<gadget id="calculator">50 * 50 * (1/125)</gadget>
<output>20</output>

<result>20</result>