30% off $200 = $140. You save $60.
Equation: $200 − (30% × $200) = $200 − $60 = $140.
Another way to read it: you pay 70% of the original price — that's $140.
$140. The discount is $60 and the final price you pay is $140.
You pay $140 (before tax). That's $200 minus a $60 discount.