The sum of the three sides of a right triangle is 48 cm, and the ratio of the lengths of the three sides is 5:4:3. What is the area of the triangle in square centimeters?
一个直角三角形三条边的和是48厘米，三条边长的比是5：4：3，这个三角形的面积是多少平方厘米？
<gadget id="calculator">3 + 4 + 5</gadget>
<output>12</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">48 * (1/4)</gadget>
<output>12</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">48 * (1/3)</gadget>
<output>16</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12 * 16 * (1/2)</gadget>
<output>96</output>

<result>96</result>