To lay floor tiles for a house, it takes 960 square bricks of 9 square decimeters, how many square bricks of 16 square decimeters are used? (Solve with ratio)
给一间房子铺地砖，选用9平方分米的正方形砖要960块，若选用16平方分米的正方形砖，要多少块？(用比例解)
<gadget id="calculator">9 * 960</gadget>
<output>8_640</output>

<gadget id="calculator">8_640 / 16</gadget>
<output>540</output>

<result>540</result>