A multimedia classroom needs 320 square bricks with a side length of 60 cm to pave the floor. If the square brick with a side length of 80 cm is used instead, how many bricks are needed?
一个多媒体教室用边长60厘米的方砖铺地要用320块，如果改用边长80厘米的方砖来铺地，需要多少块？
<gadget id="calculator">60 * 60 * 320</gadget>
<output>1_152_000</output>

<gadget id="calculator">80 * 80</gadget>
<output>6_400</output>

<gadget id="calculator">1_152_000 / 6_400</gadget>
<output>180</output>

<result>180</result>