If a sack of rice weighs 10 kg more than a sack of flour, how much does 5 sacks of rice weigh more than 5 sacks of flour?
一袋大米比一袋面粉重10千克，那么5袋大米比5袋面粉重多少千克．
<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<result>50</result>