To lay floor tiles for a classroom, if you use square bricks with a side length of 6 decimeters, you need 150 pieces. If you use square bricks with a side length of 10 decimeters, how many pieces do you need?
给一间教室铺地砖，如果用边长是6分米的方砖，需要150块，如果改用边长是10分米的方砖需要多少块．
<gadget id="calculator">6 * 6 * 150</gadget>
<output>5_400</output>

<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">5_400 / 100</gadget>
<output>54</output>

<result>54</result>