Lili bought a new gold necklace for her mother with a price tag of 195 yuan per gram. She gave the salesperson 2,000 yuan and got back 128 yuan. How much does this necklace weigh in grams?
丽丽给妈妈新买了一条黄金项链，标价195元/克，给售货员2000元，找回128元，这条项链重多少克？
<gadget id="calculator">2_000 - 128</gadget>
<output>1_872</output>

<gadget id="calculator">1_872 / 195</gadget>
<output>48/5 = around 9.6</output>

<result>48/5 = around 9.6</result>