Use the same bricks to pave the floor, pave 9 square meters, and use 309 bricks. There are 4120 bricks left on the construction site, how many square meters can be paved? (Solve with ratio)
用同样的砖铺地，铺9平方米，用砖309块．工地上还剩4120块砖，还可以铺地多少平方米？(用比例解)
<gadget id="calculator">9 / 309</gadget>
<output>3/103 = around 0.029126</output>

<gadget id="calculator">(3/103) * 4_120</gadget>
<output>120</output>

<result>120</result>