500 grams of "Maojian" tea is priced at 98 yuan. During the National Day, Mingda tea shop preferential customers: 50 grams for every 500 grams purchased. Uncle Zhang bought back a total of 1.3 kilograms of "Maojian" tea. How much did he pay?
"毛尖"茶叶500克，售价98元，国庆期问，明达茶店优惠顾客：每买500克赠50克，张叔叔共买回1.3千克的"毛尖"茶叶，他付了多少钱？
<gadget id="calculator">98 / 500</gadget>
<output>49/250 = around 0.196</output>

<gadget id="calculator">1.3 * 1_000</gadget>
<output>1_300</output>

<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">1_300 - 100</gadget>
<output>1_200</output>

<gadget id="calculator">(49/250) * 1_200</gadget>
<output>1_176/5 = around 235.2</output>

<result>1_176/5 = around 235.2</result>