题目

Youth volunteers from Beijing university visited Song tang hospital, a care clinic for the aged and dying patients, during the second global youth service day on April 21． Thirty student volunteers from the university’s school of international studies sat at the beds of the patients in their specially – decorated “ care huts”． They talked with them and gave massages （按摩）to patients kept in their beds． “I felt sorry that I could not offer more to these people than talking with them and trying to cheer them up．” said Deng Yetao, 20, a third - year student． “But it某校男生、女生以及教师人数的扇形统计图如图所示，若该校师生的总人数为1500人，结合图中信息，可得该校教师人数为　  　人．