Teacher Wang asks Lin Lin, Dongdong, and Liangliang to come to the office for a conversation. It takes 10 minutes to finish the conversation with Lin Lin, 12 minutes to finish the conversation with Dongdong, and 8 minutes to finish the conversation with Liangliang. How to arrange the order of the three people's conversations Can the total time spent by the three be minimized? How many minutes is the minimum?
王老师找林林、冬冬、亮亮三人来办公室谈话，同林林要10分钟谈完，同冬冬要12分钟谈完，同亮亮要8分钟谈完，怎样安排三人的谈话顺序能使三人花的总时间最少？最少是多少分钟？
<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">12 * 1</gadget>
<output>12</output>

<gadget id="calculator">24 + 20 + 12</gadget>
<output>56</output>

<result>56</result>