There are 147 sixth graders in a certain school who have reached the physical education standard, and 3 people who have not reached the standard. What is the rate of attainment?
某校六年级体育达标的有147人，没有达标的有3人，达标率是多少．
<gadget id="calculator">147 + 3</gadget>
<output>150</output>

<gadget id="calculator">147 / 150</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>