There are two bags of sugar, one with 68 grains and the other with 20 grains. Take out 6 grains from the more bag and put them into the less bag each time. How many times can you take them to make the two bags have the same amount of sugar?
有两袋糖，一袋是68粒，另一袋是20粒．每次从多的一袋中拿出6粒放到少的一袋里，拿几次才能使两袋糖同样多？
<gadget id="calculator">68 - 20</gadget>
<output>48</output>

<gadget id="calculator">48 / 2 / 6</gadget>
<output>4</output>

<result>4</result>