A rectangle with a length of 5 cm and a width of 3 cm is enlarged by 2:1, what is the area of the figure obtained in cm**2.
一个长5cm，宽3cm的长方形按2：1放大，得到的图形面积是多少cm**2．
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

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

<result>60</result>