A rectangular hall, 16.5 meters long and 8.4 meters wide, is paved with square bricks each with an area of 0.12 square meters. How many square bricks are needed at least?
一个长方形的大厅，长16.5米，宽8.4米，用每块面积为0.12平方米的方砖铺地．至少需要方砖多少块呢？
<gadget id="calculator">8.4 / 0.12</gadget>
<output>70</output>

<gadget id="calculator">16.5 * 70</gadget>
<output>1_155</output>

<result>1_155</result>