题目

阅读理解 A few days ago I was sitting in a Thai restaurantenjoying a meal when I got a phone call from a friend I hadn't spoken to for a longtime. Full of enthusiasm and excitement I talked slightly louder than usual andin Spanish, my mother tongue. A few minutes into the call the lady sittingbeside me got up, seemingly upset, and asked the restaurant staff to relocate her to a table as far away as possible fromthis man who won't get off his phone I sank in my seat out of embarrassment. I endedthe call soon afterwards and felt the urge to go over and apologize. Before gettingup I looked ar计算3.6×500时，积的末尾应去掉两个0。（______）