A street is 120 meters long and 8 meters wide. If a square cement block with an area of 4 square decimeters is used to pave the floor, how many such cement bricks are needed?
一条街道长120米，宽8米，若用面积是4平方分米的正方形水泥铺地，需要多少块这样的水泥砖？
<gadget id="calculator">100 / 4</gadget>
<output>25</output>

<gadget id="calculator">120 * 8 * 25</gadget>
<output>24_000</output>

<result>24_000</result>