请按照图示中的画图法提示讲解这道应用题,并输出一段针对三年级孩子的视频---**Question Stem:**
阿星买3个礼盒用了180元,照这样的价格,他买8个礼盒需要用多少元钱?
**Chart/Diagram Description:**
* **Type:** Bar model / Diagram illustrating quantities and associated costs.
* **Main Elements:**
* The diagram consists of two horizontal rows of circles.
* The top row shows 3 circles. Below these circles, a horizontal bracket labeled "180元" indicates that the cost of 3 gift boxes is 180 yuan.
* The bottom row shows 8 circles. Below these circles, a horizontal bracket labeled "? 元" indicates that the cost of 8 gift boxes is unknown and is what needs to be calculated.
* The circles represent gift boxes, and the labeled brackets represent the total cost for the respective number of gift boxes.