grain store has sold 135 bags of rice, and the remaining 42 bags have not been sold. Each bag of rice is 25 kilograms. How many kilograms of rice are there in this grain store?
一个粮店已售出大米135袋，还剩下42袋没有卖出．每袋大米25千克，这个粮店共有大米多少千克？
<gadget id="calculator">135 + 42</gadget>
<output>177</output>

<gadget id="calculator">177 * 25</gadget>
<output>4_425</output>

<result>4_425</result>