In a subtraction formula, the ratio of the subtrahend to the difference is 3:2, the minuend is known to be 40, what is the subtrahend
一个减法算式里，减数与差的比是3：2，已知被减数是40，减数是多少
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<gadget id="calculator">3 * 8</gadget>
<output>24</output>

<result>24</result>