34. In order to understand the expenses of students on purchasing auxiliary reading materials each semester, a bookstore randomly surveyed some students from their school. According to the survey results, two incomplete statistical charts were drawn. Based on the above charts, answer the following questions in sequence: The total number of students who participated in the survey is $\qquad$ people, among which $a=$ $\qquad$ , $m=$ $\qquad$ . According to the survey, students who spend no less than 60 yuan on auxiliary reading materials each semester have a higher intention to subscribe to the "Math and Science World" magazine. How many of the 1000 students in the school are likely to be such students? $\qquad$ people.
Reference answer: $50,20,8,8,600$