The school bought 6 boxes of pencils, each box contains 9 boxes, and each box contains 50 pencils. How many pencils did the school buy in total?
学校买来6箱铅笔，每箱有9盒，每盒有50支铅笔，学校一共买来多少支铅笔？
<gadget id="calculator">50 * 9 * 6</gadget>
<output>2_700</output>

<result>2_700</result>