update-methods-calculator-screen.java

public CalculatorScreen fillFirstNumber(String number) {
  inputFirstNumber.clear();
  inputFirstNumber.sendKeys(number);
  return this;
}
	
public CalculatorScreen fillSecondNumber(String number) {
  inputSecondNumber.clear();
  inputSecondNumber.sendKeys(number);
  return this;
}
	
public CalculatorScreen closeKeyboard() {
  driver.hideKeyboard();
  return this;
}