clc;
c=12.01;   //mass of carbon
h=1.008;  //mass of hydrogen
o=16.00;  //mass of oxygen
mass=((6*c)+(12*h)+(6*o));     //calculating formula mass
m=500*454;        //mass of glucose in g
moles=m/mass;  //moles 
disp(moles,"Moles = ");  //displaying result