The quotient of dividing two numbers is 0.9, the dividend remains the same, and the divisor is increased by 9 times, what is the quotient?
两个数相除的商是0.9，被除数不变，除数扩大9倍，商是多少．
<gadget id="calculator">0.9 / 9</gadget>
<output>0.1</output>

<result>0.1</result>