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### Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today. # My solutions with template literals and unary plus

```// declare program variables
let num1;
let num2;
let message;

// announce the program
alert("Let's do some math!");

// collect numeric input and convert into numbers
num1 = prompt("Please type a number");
num1 = +num1;
num2 = prompt("Please type another number");
num2 = +num2;

if (num2 === 0) {
alert("The second number is 0. You can't divide by zero. Reload and try again.");
} else if (Number.isNaN(num1) || Number.isNaN(num2)) {
alert("At least one of the values you typed is not a number. Reload and try again.");
} else {

// build an HTML message
message = `
<h1>Math with the numbers \${num1} and \${num2}</h1>
\${num1} + \${num2} = \${num1 + num2} <br>
\${num1} * \${num2} = \${num1 * num2} <br>
\${num1} / \${num2} = \${num1 / num2} <br>
\${num1} - \${num2} = \${num1 - num2}
`
// write message to web page
document.write(message);
}
``` 