The mass of soybeans grown into bean sprouts is 8.5 times the original mass. Now 493 kilograms of bean sprouts are needed. How many kilograms of soybeans are needed?
黄豆长成豆芽后的质量是原来质量的8.5倍，现在需要豆芽493千克，需要黄豆多少千克？
<gadget id="calculator">493 / 8.5</gadget>
<output>58</output>

<result>58</result>