The students planted 60 roses, and planted 4 rows of chrysanthemums, 8 in each row. How many more roses are planted than chrysanthemums?
同学们种了60棵月季花，又种了4行菊花，每行8棵．种的月季花比菊花多多少棵？
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">60 - 32</gadget>
<output>28</output>

<result>28</result>