求好心人帮忙 给个答案 谢谢！

max=0.11*X1+0.14*X2+0.21*X3+0.24*X4+0.60*X5+0.15*X6;
X1+X2+X3+X4+X5+X6=100;
3*X1+8*X2+5*X3+3*X4+X5+4*X6<=500;
11*X1+14*X2+21*X3+24*X4+16*X5+15*X6>=1250;
X1+3*X2+9*X3+8*X4+0.5*X5+1.5*X6<=350;
16*X2+30*X3+24*X4+2*X5+4*X6>=1000;
X1>=0; X2>=0; X3>=0; X4>=0; X5>=0; X6>=0;