<image>An organization conducted a survey on the burden of homework among elementary school students. Let the average daily homework time for each student be \( x \) (unit: minutes), and \( x \sim N(60,100) \). It is known that \( P(x \leq 50) = 0.159 \). A total of 1000 elementary school students participated in this survey. The following image shows the flowchart of a certain item in this survey. The approximate output result is ___.
