A 1-yuan coin weighs about 6 grams. According to this calculation, 1,000 1-yuan coins weigh about 6 kilograms, 1 million 1-yuan coins weigh about 6 tons, and 100 million 1-yuan coins weigh approximately how many tons ．
1枚1元的硬币大约重6克，照这样推算，1000枚1元的硬币大约重6千克，100万枚1元的硬币大约重6吨，1亿枚1元的硬币大约重多少吨吨．
<gadget id="calculator">1_000 * 1_000</gadget>
<output>1_000_000</output>

<gadget id="calculator">100_000_000 / 1_000_000</gadget>
<output>100</output>

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

<result>600</result>