The students made 180 paper flowers, and every 25 flowers were tied into a bunch. 6 bunches have been tied, how many flowers are left?
同学们做了180朵纸花，每25朵扎成一束，已经扎了6束，还剩多少朵花？
<gadget id="calculator">25 * 6</gadget>
<output>150</output>

<gadget id="calculator">180 - 150</gadget>
<output>30</output>

<result>30</result>