When a student was calculating a problem, he divided by 10 in the last step and multiplied by 10 by mistake. Therefore, the answer was 50.2. What should be the correct result?
一位同学在算题时，最后一步除以10，错误地乘以10，因此得出答案是50.2，正确结果应该是多少．
<gadget id="calculator">50.2 / 10</gadget>
<output>5.02</output>

<gadget id="calculator">5.02 / 10</gadget>
<output>0.502</output>

<result>0.502</result>