100 grams of seawater can produce 3 grams of salt. If 1500 tons of salt are to be produced, how many tons of seawater are needed?
100克海水可以晒出3克盐，如果要晒出1500吨盐，需要海水多少吨？
<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">1_500 / (3/100)</gadget>
<output>50_000</output>

<result>50_000</result>