A photo is 3 cm long and 2 cm wide. Now it is enlarged by 4:1. After the enlargement, the area of this photo is how many times the original area
一张照片长3厘米，宽2厘米，现在按4：1放大，放大后这张照片的面积是原来面积的多少倍
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

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

<gadget id="calculator">12 * 8</gadget>
<output>96</output>

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

<gadget id="calculator">96 / 6</gadget>
<output>16</output>

<result>16</result>