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(function () {
'use strict';
function foo () {
return embiggen( 6, 7 );
}
/**
* Embiggens a number
* @param {number} num - the number to embiggen
* @param {number} factor - the factor to embiggen it by
* @returns {number}
*/
function embiggen ( num, factor ) {
return num * factor;
}
alert( foo() );
}());