If the two sides of a right triangle are 3 cm and 2 cm respectively, what is the area in square centimeters if it is enlarged at a ratio of 4:1?
一个直角三角形的两条直角边分别是3厘米、2厘米，按4：1的比例放大后，面积是多少平方厘米．
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>