Hope Primary School opened up a rectangular "red scarf" pro-rural garden with a width of 15.8m and a length 1.5 times the width. How many square meters is this pro-nong garden?
希望小学开辟了一个长方形"红领巾"亲农村园，宽是15.8m，长是宽的1.5倍．这个亲农园的面积是多少平方米？
<gadget id="calculator">15.8 * 1.5 * 15.8</gadget>
<output>374.46</output>

<result>374.46</result>