Uncle Wang sold a live pig to a butcher at a price of 9 yuan per kilogram. The pig weighed 109 kilograms. How much should the butcher pay Uncle Wang?
王叔叔将一头生猪以每千克9元的价格卖给肉商，生猪重109千克，肉商应付给王叔叔多少钱？
<gadget id="calculator">9 * 109</gadget>
<output>981</output>

<result>981</result>