What is the perimeter in centimeters of the triangle formed by choosing three of the four sticks of 1cm, 4cm, 5cm and 3cm
从1厘米、4厘米、5厘米、3厘米的四根小棒中选出3根围成的三角形的周长是多少厘米
<gadget id="calculator">3 + 4 + 5</gadget>
<output>12</output>

<result>12</result>