Cut the two ribbons of 45cm and 60cm into short ribbons of the same length, and each piece of short ribbon should be as long as possible without any excess. How many pieces can it be cut into?
把45cm和60cm两根彩带剪成长短一样的短彩带，每段短彩带要尽可能长，且没有剩余．一共能剪成多少段？
<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">45 / 15</gadget>
<output>3</output>

<gadget id="calculator">60 / 15</gadget>
<output>4</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<result>7</result>