10. (3 points) 1994 students line up in a row, and they count off from the front to the back in a cycle of 1 to 3; then they count off from the back to the front in a cycle of 1 to 4. The number of people who report 1 in both rounds of counting is $\qquad$ people.
【Answer】Solution: $1994 \div(3 \times 4)=166 \cdots 2$.
Answer: The number of people who reported 1 in both rounds is 166. Therefore, the answer is: 166.