The supermarket uses 30 kg of fruit sugar and some milk sugar to make assorted sugar in a ratio of 3:5. How many kilograms of toffee is needed?
超市用30千克水果糖和部分奶糖按3：5的比例配制成什锦糖．需奶糖多少千克？
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">30 * (5/3)</gadget>
<output>50</output>

<result>50</result>