The florist has cut 28 roses and 64 calla lilies. Each bunch contains 4 roses and 8 calla lilies. How many bunches can be tied together?
花农剪好了28枝玫瑰，64枝马蹄莲，每束花里有玫瑰4枝、马蹄莲8枝，一共可以扎成多少束？
<gadget id="calculator">28 / 4</gadget>
<output>7</output>

<result>7</result>