“怎么办呀?怎么办呀?”门口传来一阵吵闹的声音。山羊博士悄悄地打开门,惊讶地问:“怎么这么乱呀?”他走出房间,看见小动物正在议论。山羊博士问道:“怎么这么吵?”松鼠说:“大熊要我们算出一道题,不然我们就得做他的仆人,可是我们都不知道怎么做。”山羊博士问:“什么题目?”大熊说:“一只熊猫买了5盒抽纸,一盒有300张,一共有多少张?”山羊博士想了想,拿起一根树枝在地上写算式:300×5=?(张)。猴子问:“这些数是什么意思?”山羊博士解释道:“300是一盒有300张纸,5 ”What to do? How to do it?“ The door came a noisy voice. Goat Dr. quietly opened the door, surprised to ask: ”how so mess?“ He walked out of the room and saw the animals are talking about. Dr. Goat asked: ”Why is it so noisy?“ ”The squirrel said:“ The bear asked us to figure out a problem, or we would have to be his servant, but we do not know what to do. ”“ Dr. Goat Q: What topic? ”Bear said:“ a panda bought 5 boxes of paper, a box of 300, a total of how many? ”Goat thought, pick up a branch on the ground to write the formula: 300 × 5 =? (Zhang). The monkey asks: “What do these numbers mean?” Dr. Goat explained: "300 is a box of 300 sheets of paper, 5