The area of a piece of land is 135 square meters, the ratio of length to width is 5:3, how many meters is the circumference?
一块地的面积是135平方米，长和宽的比是5：3，周长是多少米？
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">135 / 15</gadget>
<output>9</output>

<gadget id="calculator">15 + 9</gadget>
<output>24</output>

<gadget id="calculator">24 * 2</gadget>
<output>48</output>

<result>48</result>