There are 6 bouquets of 15 flowers, if 2 flowers are taken from each bouquet, how many flowers are left in total?
有6束花，每束15朵，如果从每束里拿出2朵，剩下的一共有多少朵花？
<gadget id="calculator">15 - 2</gadget>
<output>13</output>

<gadget id="calculator">13 * 6</gadget>
<output>78</output>

<result>78</result>