运行下列程序，其结果应该是 [15] 。 SET TALK OFF CLEAR STORE 2 TO X，Y D0 WHILE.T. Y=Y+3 DO CASE CASE INT(Y/5)*5=Y LOOP CASE Y=10 EXIT OTHERWISE X=X+Y ENDCASE ’X=’+STR(X，2)，’Y=’+STR(Y，2) ENDDO SET TALK ON．