A woodcarving handicraft needs to be carved on both sides. It takes 8 hours for one worker to carve one side. How many hours does it take at least for 2 workers to carve 3 pieces of handicraft.
一件木雕工艺品两面都要雕，一位工人雕一面要8小时，2位工人雕3件工艺品最少要多少小时．
<result>12</result>