clc
//initialisation of variables
p=14.7//lbf/in^2
m=123.5//lbf/in^2
p1=0.0729//lbf/in^2
//CALCULATIONS
H2O=p*p1//lbf/in^2
//RESULTS
printf('the moles analysis=% f lbf/in^2',H2O)