50 cm long iron wire just forms a rectangle whose length to width ratio is 3:2. What is the area of this rectangle?
一根长50厘米的铁丝刚好围成一个长和宽的比是3：2的长方形，这个长方形的面积是多少平方厘米？
<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">25 * (3/5)</gadget>
<output>15</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">25 * (2/5)</gadget>
<output>10</output>

<gadget id="calculator">15 * 10</gadget>
<output>150</output>

<result>150</result>