同学们去动物园玩。一辆车可乘坐46人，用3辆车载了3次才把同学们全部送走。请问一共去了多少人？'S4d;m7B;_1v+A1Y7C;I3Q;}7[+q7t
算式：提示4p3G'K+`*o7M,v1d0J6O'S4d;m7B;_1v+A1Y7C;I3Q;}7[+q7t
答：一共去了-x0y0r5}(h8@;y-o*x9G7r人.'S4d;m7B;_1v+A1Y7C;I3Q;}7[+q7t