The school has planted 15 pots of roses and 10 pots of jasmine, and the number of pots of crabapple is 4 times the total number of pots of roses and jasmine. How many pots of crabapple are planted?
学校种了15盆玫瑰花，10盆茉莉花，种的海棠花是玫瑰花和茉莉花总盆数的4倍，种的海棠花多少盆？
<gadget id="calculator">15 + 10</gadget>
<output>25</output>

<gadget id="calculator">25 * 4</gadget>
<output>100</output>

<result>100</result>