The quotient of dividing the number A by the number B is 0.9. When the number A is enlarged by 3 times and the number B is reduced by 3 times, what is the quotient?
甲数除以乙数的商是0.9，当甲数扩大3倍，乙数缩小3倍，商是多少
<gadget id="calculator">0.9 * 3 * 3</gadget>
<output>8.1</output>

<result>8.1</result>