A corridor with a length of 14 meters and a width of 6 meters is to be paved with square bricks with an area of 4 square decimeters on the ground, how many such square bricks are needed.
一条长14米、宽6米的走廊，要在地面上铺上面积是4平方分米的方砖，需要多少块这样的方砖．
<gadget id="calculator">14 * 10</gadget>
<output>140</output>

<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">140 * 15</gadget>
<output>2_100</output>

<result>2_100</result>