Among the 350 products, there are 7 defective products, what is the pass rate?
在350件产品，有7件次品，合格率是多少．
<gadget id="calculator">350 - 7</gadget>
<output>343</output>

<gadget id="calculator">343 / 350</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>