When Maomao calculated (75+□)*3, he miscalculated as 75+□*3, and the result was 150. What is the correct answer to this question?
毛毛在计算(75+□)*3时，错算成了75+□*3，结果得150，这道题的正确答案是多少．
<gadget id="calculator">150 - 75</gadget>
<output>75</output>

<gadget id="calculator">75 / 3</gadget>
<output>25</output>

<gadget id="calculator">75 + 25</gadget>
<output>100</output>

<gadget id="calculator">100 * 3</gadget>
<output>300</output>

<result>300</result>