package lcr;import java.math.BigInteger;/** * 超级计算器 *  * @author Lee Chuanrong * */public class SuperCalculator {	/*	 * Add	 */	public static BigInteger add(BigInteger a, BigInteger b) {		return a.add(b);	}	/*	 * Subtract	 */	public static BigInteger subtract(BigInteger a, BigInteger b) {		return a.subtract(b);	}	/*	 * Multiply	 */	public static BigInteger multiply(BigInteger a, BigInteger b) {		return a.multiply(b);	}	/*	 * Divide	 */	public static BigInteger divide(BigInteger a, BigInteger b) {		return a.divide(b);	}	public static void main(String[] args) {		double a = Math.pow(2, 36);		double b = Math.pow(2, 48);		BigInteger abi = BigInteger.valueOf((long) a);		BigInteger bbi = BigInteger.valueOf((long) b);		System.out.println("a="+a+"\tb="+b);		System.out.println("Add:\t"+add(abi, bbi));		System.out.println("Subtract:\t"+subtract(abi, bbi));		System.out.println("Multiply:\t"+multiply(abi, bbi));		System.out.println("Divide:\t"+divide(abi, bbi));	}}