check code pls

Question

#include<iostream>
using namespace std;
int main() {
int a,
b,
c
cout << "welcome to my calcuator app!";
/* welcome to my calcuator,please enter any three numbers , for addition put 1 as the second number , for multyplying put 2 as the second number , for substraction put 3 and for division put 4 */
cin a>>b>>c;
if(b == 1) {
cout<<"\n\n-excuting the operation...\n";
cout<<"\n The sum result is : ";
cout<<a+b;
if(b == 2) {
cout<<"multiplying "<<a <<"in "<<c << "the result is:\n "<<a*b;
if(b == 3)
cout<<"substricting " <<a <<" from "<<b<<"please wait...\n"<<"-the result is: "<<a-b;
if(b == 4) {
cout<<"dividing "<<a<<" by "<<b<<" please wait...d\n"<<"-the result is: "<<a/b;
}
}
cout << "\n\nThank you for using my calcuator!"
return 0;
}
else {
if(b > 4)
cout << "you didn't enter a vaild number to excute the operation\noperarion can't be done\n thank you for using my app! ";
return 0;
}
}

Answer 1

UG.2 here is the fixed calculator
you missed a couple semicolons and the >> infront of cin >>
btw you have a+b a*b a-b a/b
b is the operator
should be a+c a*c a-c a/c
https://code.sololearn.com/c9NHHfvEj2N5/?ref=app

Answer 2

UG.2 I sat for 12 minutes waiting for the page / code to display .... can you please clarify your question / and bring your code to the playground ? I saw it was suppose to be a cpp code ...

Answer 3

BroFar it's ok i edited it