Take one of the 9 numbers: (2/5), 7, 8, (5/4), 1, 1.2, 15, 3.75, 0.7 as the dividend, then take the other two numbers, and use their sum as the divisor , so that the quotient is an integer, please write 3 equations. (the answer is not unique)
在9个数：(2/5)，7，8，(5/4)，1，1.2，15，3.75，0.7中取一个数作被除数，再取另外两个数，用它们的和作除数，使商为整数，请写出3个算式．(答案不唯一)
<gadget id="calculator">7 + 1</gadget>
<output>8</output>

<gadget id="calculator">8 / 8</gadget>
<output>1</output>

<result>1</result>