What is the quotient of subtracting the product of 15 times 24 from 400 and dividing by 10?
400减去15乘24的积，再除以10，商是多少？
<gadget id="calculator">15 * 24</gadget>
<output>360</output>

<gadget id="calculator">400 - 360</gadget>
<output>40</output>

<gadget id="calculator">40 / 10</gadget>
<output>4</output>

<result>4</result>