Last admissions to the park are at 4 p.m.

　　公園最晚的入園時間是下午4點。

　　The teaching day finishes at around 4 p.m.

　　教學日在下午4點左右結束。

　　8 is the lowest common multiple of 8 and 4.

　　8是8和4的最小公倍數(shù)。