To pave a house, if square bricks with an area of 6 square decimeters are used, 80 pieces are needed. If you use square bricks with an area of 8 square decimeters instead, how many pieces are needed? (Solve with ratio)
给一间房子铺地，如果用面积6平方分米的方砖，需要80块．如果改用面积8平方分米的方砖，需要多少块？(用比例解)
<gadget id="calculator">80 * 6</gadget>
<output>480</output>

<gadget id="calculator">480 / 8</gadget>
<output>60</output>

<result>60</result>