There are 4 processes in a production process, and each process requires one person to take care of it. Now, 4 of the 6 workers A, B, and C are assigned to take care of each process. The first process can only arrange one person from the two workers A and B, and the fourth process can only arrange one person from the two workers A and C, so the different arrangements are shared. how many kinds
一生产过程有4道工序，每道工序需要安排一人照看，现从甲、乙、丙等6名工人中安排4人分别照看一道工序．第一道工序只能从甲、乙两工人中安排1人，第四道工序只能从甲、丙两工人中安排1人，则不同的安排方案共有．多少种
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">2 * 4 * 3</gadget>
<output>24</output>

<gadget id="calculator">12 + 24</gadget>
<output>36</output>

<result>36</result>