package cn.edu.csu.oo.abstractoper.programeAtchitectrue;

public class Tsinghua extends AbstractContainer {

  public float add(Object obj1, Object obj2, Object obj3) {
    int i = ((Integer)obj1).intValue();
    float f = ((Float)obj2).floatValue();
    int j = ((Integer)obj3).intValue();     
    return i*j*f;
  }

}