Master Wang planned to process 150 parts, but actually exceeded production by 15 parts. By what percentage?
王师傅计划加工150个零件，实际超产15个，超过了百分之几？
<gadget id="calculator">15 / 150</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>