If the qualified rate of a certain product is 98%, how many of the 12350 products are waste products?
某产品的合格率为98%，那么12350件产品中有多少件是废品．
<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">12_350 * (1/50)</gadget>
<output>247</output>

<result>247</result>