王先生的家和公司距离 6.1 km，他每天步行到巴士站后，再搭巴士到公司。 以 m 为单位，计算王先生的家和巴士站的距离。---**Chart Description:** * **Type:** Line diagram representing distances between three points. * **Main Elements:** * Three points are shown on a line, approximately ordered from left to right. * The leftmost point is labeled "王先生的家" (Mr. Wang's Home). * The middle point is labeled "巴士站" (Bus Stop). * The rightmost point is labeled "公司" (Company). * A thick line segment connects the three points in order. * A bracket above the segment between "巴士站" and "公司" indicates the distance, labeled "$5\frac{1}{4}$ km". * A large bracket below the entire segment from "王先生的家" to "公司" indicates the total distance, labeled "6.1 km". * A bracket above the segment between "王先生的家" and "巴士站" has a question mark above it, indicating an unknown distance. **Textual Information:** * **Locations:** 王先生的家 (Mr. Wang's Home), 巴士站 (Bus Stop), 公司 (Company). * **Distances:** * Distance from 巴士站 to 公司: $5\frac{1}{4}$ km. * Total distance from 王先生的家 to 公司: 6.1 km. * Distance from 王先生的家 to 巴士站: Unknown (indicated by ?). * **Unit:** km (kilometers). * **Question:** The diagram asks for the distance from 王先生的家 to 巴士站.