In the living room of Lili’s house, 560 pieces are needed to pave the floor with square bricks with a side length of 0.3m. If the floor is paved with square bricks with a side length of 0.4m, how many pieces are needed? (Solve with ratio)
丽丽家客厅，用边长0.3m的方砖铺地，需要560块，如果改用边长0.4m的方砖铺地，需要多少块？(用比例解)
<gadget id="calculator">0.3 * 0.3 * 560</gadget>
<output>50.4</output>

<gadget id="calculator">0.4 * 0.4</gadget>
<output>0.16</output>

<gadget id="calculator">50.4 / 0.16</gadget>
<output>315</output>

<result>315</result>