The unit price of a basketball is 90 yuan per piece. Dongfang Primary School bought 135 such basketballs. How much would it cost in total?
篮球的单价是90元/个，东方小学买了135个这样的篮球，一共要付多少元？
<gadget id="calculator">90 * 135</gadget>
<output>12_150</output>

<result>12_150</result>