Xiao Ming's classroom is 50 meters away from the teacher's office. The teacher asked 5 students to go to the office to pick up books. How many meters did the 5 students have to walk in total?
小明的教室与老师办公室相距50米．老师让5个同学去办公室取书，这5个同学一共要走多少米．
<gadget id="calculator">50 * 5</gadget>
<output>250</output>

<result>250</result>