Checking the number of miles

I need to check the number of miles of products. And if it is 1 it need to be

mile

, if is more than 1 it need to be

miles

Can anybody help me?

<span class="text-red">
    if(<?= $this->product->getMiles() ?> == 1) {
        <span><?= $this->product->getMiles() ?> mile</span>
    } else {
        <span><?= $this->product->getMiles() ?> miles</span>
    }
</span>