/* Name:  ms-kmh-for.c
   rechnet Geschwindigkeiten um   */

#include <stdio.h>

int main() {
  float msec, kmh;
  for ( msec = 0; msec <= 120; msec = msec + 20) {
    kmh = msec*3.6;
    printf("%6.2f  m/sec = %6.2f km/h\n", msec, kmh);
  }
}