@Override
	public Operation simplify() {
		Expression L = Simplify.mod(this.L);
		Expression R = Simplify.mod(this.R);
		if ( "1.0".equals(R.getString()) ){
			return L.operation;
		} else if ( "0.0".equals(L.getString()) ){
			return new Number(0);
		} else if ( "x".equals(L.getString()) && "x".equals(R.getString()) ) {
			return new Number(1);
		}else {
			return new Quotient( L, R );
		}
	}