5 footballs of the same size weigh 3 kg, how many grams does each football weigh?
5只同样大小的足球重3千克，每只足球重多少克？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) * 1_000</gadget>
<output>600</output>

<result>600</result>