Xiaohua scored 84, 88, 89, and 87 in the four English tests respectively. If he wants to increase his average score by 2 points, how many points does he need to score in the next English test?
小华四次英语测验得分各为84，88，89，87．假如他想把他的平均分数提高2分，问下次英语测验他需得多少分？
<gadget id="calculator">84 + 88 + 89 + 87</gadget>
<output>348</output>

<gadget id="calculator">348 / 4</gadget>
<output>87</output>

<gadget id="calculator">87 + 2</gadget>
<output>89</output>

<gadget id="calculator">89 * 5</gadget>
<output>445</output>

<gadget id="calculator">445 - 348</gadget>
<output>97</output>

<result>97</result>