The water content of 10,000 kilograms of grapes measured in Xinjiang was 99%, and after they arrived in Taiyuan, the water content was 98%. How many kilograms of grapes are left after they arrive in Taiyuan? (losses on the way are not included)
10000千克葡萄在新疆测得含水量是99%，运抵太原后测得含水量为98%，问葡萄运抵太原后还剩多少千克．(途中损失不计)
<gadget id="calculator">99 / 100</gadget>
<output>99/100 = around 0.99</output>

<gadget id="calculator">1 - (99/100)</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">10_000 * (1/100)</gadget>
<output>100</output>

<gadget id="calculator">98 / 100</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">1 - (49/50)</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">100 / (1/50)</gadget>
<output>5_000</output>

<result>5_000</result>