gistfile1.txt

pragma solidity ^0.4.25;

contract Ejemplo1{
    
    uint256 notaFinal;
    
    constructor(){}
    
    function calcularNotaFinal(uint256 notaContenido, uint256 notaGrupal, uint256 notaIndividual) public{
        notaFinal =  ((notaContenido*70) + (notaGrupal * 20) + (notaIndividual * 10))/100;
    }
    
    function obtenerNotaFinal() public view returns(uint256){
        return notaFinal;
    }
}