There are 60 white rabbits, the ratio of white rabbits to black rabbits is 3:5, how many rabbits are there altogether?
白兔有60只，白兔与黑兔的比是3：5，一共有多少只兔？
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">60 / (3/8)</gadget>
<output>160</output>

<result>160</result>