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A power calculator in C

#include <stdio.h> int main() { float power,voltage,current; voltage = current = 0; printf("Power calculator.\n"); printf("This will calculate the power in watts , "); printf("when you input the voltage and current."); /*get the voltage*/ printf("Enter the voltage in volts.\n"); scanf("%f",&voltage); /*get the current*/ printf("Enter the current in amps.\n"); scanf("%f",&current); /*calculate the power*/ power = voltage * current; printf("The power in watts is %.2f watts\n",power); return 0; }