The ex-factory price of a rice cooker from Midea is 400 yuan, which is 25% higher than the cost price; but the company restricts the retail price to no higher than 40% of the cost price, so what is the maximum retail price marked in the mall?
美的公司的一种电饭煲出厂价是400元，比成本价高出25%；但公司限制零售价不得高于成本价的40%，那么商场标出的零售价最高是多少元？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">400 / (5/4)</gadget>
<output>320</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">320 * (7/5)</gadget>
<output>448</output>

<result>448</result>