Every June 14th is "World Blood Donor Day". A total of 260 people participated in blood donation activities in a certain unit that day. If each voluntary blood donor donates 200ml of blood, how many ml of blood will be donated in total on this day?
每年的6月14日为"世界献血日"．某单位这天一共有260人参加了献血活动．如果每个义务献血者都献了200毫升的血，那么这天一共献血多少毫升？
<gadget id="calculator">200 * 260</gadget>
<output>52_000</output>

<result>52_000</result>