Xiaoqiang has two bags of candies, one with 48 pieces and the other with 12 pieces. He takes out 3 pieces from the larger bag each time and puts them in the smaller one. The number of grains is equal?
小强有两包糖果，一包有48粒，另一包有12粒，他每次从多的一包里取出3粒，放到少的一包里去，经过几次，才能使两包糖果的粒数相等？
<gadget id="calculator">48 - 12</gadget>
<output>36</output>

<gadget id="calculator">36 / 2 / 3</gadget>
<output>6</output>

<result>6</result>