import java.awt.*;

public class Solver
{

    public void solve (String valueToBeComputed)
    {
        float sValue = new Float (valueToBeComputed).floatValue();
        char c = operator.charAt (0);
        switch (c)
        {
            case '=': savedValue = sValue;
                break;

            case '+': savedValue += sValue;
                break;

            case '-': savedValue -= sValue;
                break;

            case '*': savedValue *= sValue;
                break;

            case '/': savedValue /= sValue;
                break;
        }
        calculatorL.setText (Float.toString(savedValue));
    }
}