The names of 9 fifth-graders, including the top math and the top spelling student in the fifth-grade class, are placed in a hat and randomly selected to sit on the stage with the governor for his visit to the school. Four students are randomly selected to join the governor. In how many ways can three more students be selected for the remaining chairs, if the top math student is to sit in the first chair? If the top math student is to sit in the first chair, the remaining students can be selected in ways