A pencil weighs about 6 grams. According to this calculation, how many tons does 100 million pencils weigh?
一枝铅笔大约重6克．照这样推算，l亿枝铅笔大约重多少吨？
<gadget id="calculator">100_000_000 / 1_000_000</gadget>
<output>100</output>

<gadget id="calculator">6 * 100</gadget>
<output>600</output>

<result>600</result>