C++ Program To Calculate Simple Interest

Problem :- Write A Program To Calculate Simple Interest 

Logic :- First take all The input From user like amount ,rate of interest ,and time .after that apply below formula 

Simple Interest :-

SI=amount * Rate * Time / 100 

Solution :-

#include<iostream>
using namespace std;
int main()
{
  long double amt,rate,time,si;

  cout<<"Enter The Principle amount \n";
cin>>amt;

cout<<"\nEnter Rate of Interest \n";
cin>>rate;

cout<<"\nEnter The Time.\n";
cin>>time;
 
  si=(amt*rate*time)/100;
 
cout<<"\nSimple Interest Is = "<<si<<endl;
 
return 0;

}

Output:-