The supermarket bought 12 boxes of children's toothpaste, 25 boxes per box, and each box sold for 4 yuan. How much can these children's toothpaste sell? (answer in two ways)
超市购进12箱儿童牙膏，每箱25盒，每盒卖4元钱．这些儿童牙膏可卖多少元？(用两种方法解答)
<gadget id="calculator">25 * 12 * 4</gadget>
<output>1_200</output>

<result>1_200</result>