class WhileDemo2{ public static void main(String[] args){ double dayMoney=2.5; double daySum=0; int dayCount=1; double result=100; while(daySum<=result){ daySum+=dayMoney; if(dayCount%5==0){ daySum-=6; } dayCount++; System.out.println(daySum); System.out.println(dayCount); } }}为什么结果是75天和老师的不一样