int metro,milimetro;

void setup() {
  // put your setup code here, to run once:
  
  
  Serial1.begin(115200);

// o valor do metro é igual a 10
 metro = 10;
// calcular: milimetro = 100 x metro
 milimetro = 1000 * metro;
//mostrar valor do milimetro
Serial1.println(milimetro);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(1000); // this speeds up the simulation

}