The master worker is going to do electric welding for the power car. There are 6 people in each group, which can be divided into 6 groups. If there are 9 people in each group, how many groups can they be divided into?
工人师傅准备给动力车做电焊，每组6人，可以分成6组．如果每组9人，可以分成几组？
<gadget id="calculator">6 / 9</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">6 * (2/3)</gadget>
<output>4</output>

<result>4</result>