Cixi Salt Industry Company uses 100 tons of seawater to produce 2 kg of edible salt. Now how many tons of seawater are needed to produce 19 tons of edible salt?
慈溪市盐业公司用100吨海水晒制出2千克食用盐，现在晒制出19吨食用盐需要多少吨海水？
<gadget id="calculator">100 * 19</gadget>
<output>1_900</output>

<gadget id="calculator">1_900 / 0.002</gadget>
<output>950_000</output>

<result>950_000</result>