A rectangle with a length of 15 meters and a width of 9 meters is reduced by 1:3. What is the area of the reduced figure in m**2.
一个长15米，宽9米的长方形按1：3缩小，缩小后的图形的面积是多少m**2．
<gadget id="calculator">15 / 3</gadget>
<output>5</output>

<gadget id="calculator">9 / 3</gadget>
<output>3</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<result>15</result>