The quotient of dividing the number A by the number B is 0.4. If the dividend is enlarged by 10 times and the divisor is reduced by 100 times, what is the quotient?
甲数除以乙数的商是0.4，如果被除数扩大10倍，除数缩小100倍，商是多少
<gadget id="calculator">10 * 100</gadget>
<output>1_000</output>

<gadget id="calculator">0.4 * 1_000</gadget>
<output>400</output>

<result>400</result>