Mr. Wang bought 4 boxes of ballpoint pens, 6 in each box, and 27 pencils. How many of the two kinds of pens did you buy in total?
王老师买来4盒圆珠笔，每盒6支，还买来27支铅笔，两种笔一共买来多少支？
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">24 + 27</gadget>
<output>51</output>

<result>51</result>