The store sold 15 boxes of soap yesterday, and another 25 boxes today, each containing 50 yuan of soap. How many bars of soap were sold in two days?
商店昨天卖出肥皂15箱，今天又卖出25箱，每箱装肥皂50块．两天共卖出肥皂多少块？
<gadget id="calculator">15 + 25</gadget>
<output>40</output>

<gadget id="calculator">40 * 50</gadget>
<output>2_000</output>

<result>2_000</result>