There is a square tablecloth with a side length of 1.5 meters. If the price per square meter is 16.8 yuan, how much is the tablecloth?
有一张边长为1.5米长的正方形桌布，如果每平方米的售价是16.8元，这块桌布要多少元．
<gadget id="calculator">1.5 * 1.5</gadget>
<output>2.25</output>

<gadget id="calculator">16.8 * 2.25</gadget>
<output>37.8</output>

<result>37.8</result>