#include <stdio.h>
 
int main() {
    // 定義變數
    float d, w, h, surface_area, volume;
 
    // 提示用戶輸入長方體的長、寬、高
    printf("請輸入長方體的長 (d): ");
    scanf("%f", &d);
    printf("請輸入長方體的寬 (w): ");
    scanf("%f", &w);
    printf("請輸入長方體的高 (h): ");
    scanf("%f", &h);
 
    // 計算表面積
    surface_area = 2 * (d * w + d * h + w * h);
 
    // 計算體積
    volume = d * w * h;
 
    // 輸出結果
    printf("長方體的表面積是: %.2f\n", surface_area);
    printf("長方體的體積是: %.2f\n", volume);
 
    return 0;
}
 

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