A batch of ballpoint pens, if each bag contains 6 pieces, can hold 42 bags. How many bags can be filled if there are 4 sticks in each bag?
一批圆珠笔，如果每袋装6支，可以装42袋．如果每袋装4支，可以装多少袋？
<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">42 * (3/2)</gadget>
<output>63</output>

<result>63</result>