2.4 Converting pounds into kilograms

感谢供稿同学:zjw,txy

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Description

Write a program that reads a number in pounds, converts it to kilograms. One pound is 0.454 kilograms.

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Input

A num in float represent the pounds.

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Output

The converted kilograms in one line.

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Sample Input

1000

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Sample Output

454

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#include <stdio.h>
main()
{
    float lb,kg;
    scanf("%f",&lb);
    kg=0.454*lb;

    printf("%.3f",kg);
    return 0;

}

# include <stdio.h>
int main()
{
	double pound,kilo;
	double a=0.454;
	scanf("%lf",&pound);
	kilo=a*pound;
	printf("%0.3f\n",kilo);
	return 0;
}