When a student multiplied a number by 25, he miscalculated and added 25, and the result was 55. Do you know the correct result?
一名同学在计算一个数乘25时，错算成了加上25，得到的结果是55，你知道正确结果是多少吗？
<gadget id="calculator">55 - 25</gadget>
<output>30</output>

<gadget id="calculator">30 * 25</gadget>
<output>750</output>

<result>750</result>