100 grams of soybeans can extract 42 grams of oil. According to this calculation, to extract 630 kilograms of oil, how many kilograms of soybeans are needed? (Solve with ratio)
100克大豆可以榨油42克，照这样计算，要榨油630千克，需用大豆多少千克？(用比例解)
<gadget id="calculator">100 / 42</gadget>
<output>50/21 = around 2.380952</output>

<gadget id="calculator">(50/21) * 630</gadget>
<output>1_500</output>

<result>1_500</result>