The length of the three sides of a triangle is 3:4:5, and the length of the shortest side is 12 cm. What is the perimeter of the triangle in meters?
一个三角形三条边的长度是3：4：5，最短的一条边长12厘米，这个三角形的周长是多少米？
<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">12 / (1/4)</gadget>
<output>48</output>

<result>48</result>