A box of cakes is 126 yuan, and there are 4 boxes of cakes in a box. How much is a box of cakes in total?
一盒蛋糕126元，一箱蛋糕有4盒，一箱蛋糕一共多少元？
<gadget id="calculator">126 * 4</gadget>
<output>504</output>

<result>504</result>