The students had a rope skipping competition, and each person was required to jump for 3 minutes. Xiao Ming jumped 321 times in total, and Xiao Hong averaged 8 more jumps per minute than Xiao Ming. How many times did Xiaohong jump?
同学们进行跳绳比赛，规定每人跳3分钟，小明一共跳了321个，小红平均每分比小明多跳8个．小红跳了多少个？
<gadget id="calculator">321 / 3</gadget>
<output>107</output>

<gadget id="calculator">107 + 8</gadget>
<output>115</output>

<gadget id="calculator">115 * 3</gadget>
<output>345</output>

<result>345</result>