There are 45 black rabbits, 36 less white rabbits than black rabbits, how many times the number of black rabbits is the number of white rabbits.
黑兔有45只，白兔比黑兔少36只，黑兔的只数是白兔只数的多少倍．
<gadget id="calculator">45 - 36</gadget>
<output>9</output>

<gadget id="calculator">45 / 9</gadget>
<output>5</output>

<result>5</result>