#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  lcd.init();
  lcd.backlight();

}

void loop() {
    int data=0;
  lcd.setCursor(0, 0);
  lcd.print("pengurangan");
  delay(1000);
  lcd.clear();

  lcd.print(" 6 - 3 ");
  data = 6 - 3;
  delay(1000);
  lcd.clear();

  lcd.print("hasilnya");
  delay(1000);
  lcd.clear();

 lcd.print(data);
 delay(1000);
 lcd.clear();
}