The quotient of the two numbers of A and B is 0.4. If the dividend is enlarged by 10 times and the divisor is reduced by 10 times, what is the quotient?
甲乙两数的商是0.4，如果被除数扩大10倍，除数缩小10倍，那么商是多少
<gadget id="calculator">0.4 * 10 * 10</gadget>
<output>40</output>

<result>40</result>