The ratio of A and B is 8:9. The number A is 1000, what is the number B?
甲乙两数的比是8：9．甲数是1000，乙数是多少．
<gadget id="calculator">1_000 / 8</gadget>
<output>125</output>

<gadget id="calculator">125 * 9</gadget>
<output>1_125</output>

<result>1_125</result>