Is there a ways to save variabel in string? : Is there a ways to save variabel in string and use it later? in code i expect the stdout should `41`

    #include <iostream>
    
    int main(){
      std::string number [5] = {1,2,3,4,5};
    
      std::string join = "number[3]+number[0]";
    
      std::cout << join; // Expect result should 41.
    
      return 0;
    }