In a piece of alloy of copper and tin, the mass ratio of copper to tin is 3:2, the known mass of copper is 460 grams, how much is the weight of tin?
在一块铜与锡的合金中，铜和锡的质量之比是3：2，已知铜质量460克，锡重多少克？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">460 * (2/3)</gadget>
<output>920/3 = around 306.666667</output>

<result>920/3 = around 306.666667</result>