The store sells 15 boxes of milk and 15 fruit juices each. The milk is 60 yuan per box, and the juice is 90 yuan per box. How much are these milk and juices sold for in total?
商店卖出牛奶和果汁各15箱，牛奶每箱60元，果汁每箱90元，这些牛奶和果汁一共卖了多少元？
<gadget id="calculator">60 * 15</gadget>
<output>900</output>

<gadget id="calculator">90 * 15</gadget>
<output>1_350</output>

<gadget id="calculator">900 + 1_350</gadget>
<output>2_250</output>

<result>2_250</result>