The school library is 15 meters long and 6 meters wide. If tiles with an area of 9 square decimeters are used to pave the floor, how many tiles are needed?
学校图书室长15米，宽6米，如果用每块面积为9平方分米的瓷砖去铺地面，需要多少块瓷砖？
<gadget id="calculator">100 / 9</gadget>
<output>100/9 = around 11.111111</output>

<gadget id="calculator">15 * 6 * (100/9)</gadget>
<output>1_000</output>

<result>1_000</result>