The shop bought 54 black-covered books and 46 red-covered books, each selling for 2 yuan, how much can they sell in total (use two methods to answer)
商店进了54个黑皮本，46个红皮本，每个卖2元，一共能卖多少元(用两种方法解答)
<gadget id="calculator">54 * 2</gadget>
<output>108</output>

<gadget id="calculator">46 * 2</gadget>
<output>92</output>

<gadget id="calculator">108 + 92</gadget>
<output>200</output>

<result>200</result>