Please help me in this program. In C ++ Lenguage. Thank you very much!

" ICOLO PIODIO. ODUULIO JUODOULOUI. Student Instructions: File Response. You must create a program called "Assigment_Mod8.cpp." As you learned in this module, dynamic variables are useful in terms of memory management. In this program you will use dynamic variables to create a program that works as calculator. The possible operations in the calculator are: addition, subtraction, multiplication, and division. The input must be stored in a string (not c-string). The input format for every operation is as follows: "23486 + 6235" "2347 - 4235" "1657 * 134" "15780 / 14" The variables to store the operands and the results must be created dynamically according of the magnitude of the input numbers and the result