Column calculation: the difference between 401 and 1 multiplied by 25, what is the product?
列式计算：401与1的差乘25，积是多少？
<gadget id="calculator">401 - 1</gadget>
<output>400</output>

<gadget id="calculator">400 * 25</gadget>
<output>10_000</output>

<result>10_000</result>