Due to the effect of buoyancy, gold is weighed in water and its weight is reduced (1/19), and silver is weighed in water and its weight is reduced (1/10). A piece of gold-silver alloy weighing 500 grams is placed in water and weighs 32 grams lighter. How many grams of gold does this alloy contain?
由于浮力的作用，金放在水里称，重量减轻(1/19)，银放在水里称，重量减轻(1/10)．有一块重500克的金银合金，放在水里称减轻了32克，这块合金含金多少克．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * 500</gadget>
<output>50</output>

<gadget id="calculator">50 - 32</gadget>
<output>18</output>

<gadget id="calculator">1 / 19</gadget>
<output>1/19 = around 0.052632</output>

<gadget id="calculator">(1/10) - (1/19)</gadget>
<output>9/190 = around 0.047368</output>

<gadget id="calculator">18 / (9/190)</gadget>
<output>380</output>

<result>380</result>