<?php

$ft = $_POST['feet'];
$in = $_POST['inches'];
$lbs = $_POST['pounds'];

$total_height = $ft * 12 + $in;

$top_half = $lbs * 703;
$bottom_half = pow( $total_height , 2 );

$result = $top_half / $bottom_half;

$finalResult = round($result , 1);

?>