三角形面积
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【题目描述】
还是土拨鼠白白，她又来计算三角形面积了。已知三角形的底是X，高是Y，请你再帮她算一算。
【输入】
三角形的底与高
【输出】
三角形面积
输入数据 1
4 8
输出数据 1
16
You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.
还是土拨鼠白白，她又来计算三角形面积了。已知三角形的底是X，高是Y，请你再帮她算一算。
三角形的底与高
三角形面积
4 8
16
