Dongdong's house newly purchased a house, and used square bricks to pave the floor during decoration, 60 square bricks paved the ground 18m**2. There is a total of 30m**2 ground in Dongdong’s house that needs to be paved with this kind of square bricks. How many square bricks are needed in total? (proportional solution)
东东家新购置了一套住房，装修时用方砖铺地，60块方砖铺地面18m**2．东东家一共有30m**2的地面需要铺这种方砖，一共需要多少块方砖？(比例解答)
<gadget id="calculator">18 / 60</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">30 / (3/10)</gadget>
<output>100</output>

<result>100</result>