#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(":)");
 delay(1000);
 lcd.clear();


lcd.print("1 * 9");
data = 1 * 9;

delay(1000);
 lcd.clear();
 
 lcd.print("9 nya ada 1 =");
 delay(1000);
 lcd.clear();

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