1. (2023九上·南岗开学考) A survey on "what they do in their free time" was made in Grade 9 in the middle school. There are 600 students in this grade. Two thirds of them have a hobby. According to the table below, we know there are ____students who like sports.                                                                                                             

Things they like to do	Reading novels	Running	Playing computer games	Playing basketball
Percentage of the students	30%	20%	30%	？