In a subtraction formula, the sum of the minuend, the subtrahend and the difference is 200, and the ratio of the difference to the subtrahend is 3:2. What is the difference?
在一道减法算式中，被减数、减数和差的和是200，差与减数的比是3：2，差是多少．
<gadget id="calculator">200 / 2</gadget>
<output>100</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">100 * (3/5)</gadget>
<output>60</output>

<result>60</result>