There is a South China tiger in the tiger park, weighing 160 kg. A bison weighs three times that of a South China tiger. How much does this bison weigh?
虎园里有一只华南虎，体重为160千克．一头野牛的体重是华南虎的3倍，这头野牛的体重是多少？
<gadget id="calculator">160 * 3</gadget>
<output>480</output>

<result>480</result>