The weight of gold is reduced by 1/19 in water, and that of silver is reduced by 1/10. A piece of gold and a piece of silver weigh 770 grams, and the weight of gold is reduced by 50 grams in water. How many grams does the original gold weigh?
黄金放水里重量减轻(1/19)，银减轻(1/10)，一块金和一块银，重770克，放水里减少50克，原来的金重多少克？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * 770</gadget>
<output>77</output>

<gadget id="calculator">77 - 50</gadget>
<output>27</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">27 / (9/190)</gadget>
<output>570</output>

<result>570</result>